El profesor se sorprenderá mucho al ver tu solución correcta😉
4 -5*x *y - 21*x - 2*y - 6 = 0
// __________________________________________________ \ // __________________________________________________ \ || / _____ | || / _____ | || / 3 ___ 2/3 / -1 | || / 3 ___ 2/3 / -1 | || / \/ 5 *21 * / --- | || / \/ 5 *21 * / --- | || / 3 / 2 3 ___ 2/3 | || / 3 / 2 3 ___ 2/3 | || / \/ y 2*\/ 5 *21 | || / \/ y 2*\/ 5 *21 | || / ---------------------- + ----------------------- | || / ---------------------- + ----------------------- | || / 5 _____________ _____________ | || / 5 _____________ _____________ | || / / _____ / _____ | || / / _____ / _____ | || / / / -1 2/3 3 ____ / / -1 | || / / / -1 2/3 3 ____ / / -1 | || / 5*y* / - / --- 5 *\/ 21 * / - / --- | || / 5*y* / - / --- 5 *\/ 21 * / - / --- | || / / 3 / 2 / 3 / 2 | || / / 3 / 2 / 3 / 2 | || \/ \/ \/ y \/ \/ y 6 + 2*y | || \/ \/ \/ y \/ \/ y 6 + 2*y | || - --------------------------------------------------------------- - ------------------------------- for ------- = 0| || - --------------------------------------------------------------- - ------------------------------- for ------- = 0| || 2 10 5*y | || 2 10 5*y | || | || | || ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ | || ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ | || / _________________________________________ | || / _________________________________________ | x1 = I*im|< / / ________________________ | + re|< / / ________________________ | || / / / 3 | || / / / 3 | || / / / 194481 (6 + 2*y) 441 42 2*(6 + 2*y) | || / / / 194481 (6 + 2*y) 441 42 2*(6 + 2*y) | || / - 2* / / --------- - ---------- + ------ + ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------- | || / - 2* / / --------- - ---------- + ------ + ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------- | || ____________________________________________________________________________________________________________ / 3 / / 4 3 2 ____________________________________________________________________________________________________________ _________________________________________ | || ____________________________________________________________________________________________________________ / 3 / / 4 3 2 ____________________________________________________________________________________________________________ _________________________________________ | || / _________________________________________ / \/ \/ 160000*y 3375*y 400*y / _________________________________________ / ________________________ | || / _________________________________________ / \/ \/ 160000*y 3375*y 400*y / _________________________________________ / ________________________ | || / / ________________________ / / / ________________________ / / 3 | || / / ________________________ / / / ________________________ / / 3 | || / / / 3 / / / / 3 / / 194481 (6 + 2*y) 441 | || / / / 3 / / / / 3 / / 194481 (6 + 2*y) 441 | || / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) / / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) 15*y* / / --------- - ---------- + ------ | || / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) / / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) 15*y* / / --------- - ---------- + ------ | || / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- / 5*y* / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- 3 / / 4 3 2 | || / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- / 5*y* / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- 3 / / 4 3 2 | || / 3 / / 4 3 2 _________________________________________ / / 3 / / 4 3 2 _________________________________________ \/ \/ 160000*y 3375*y 400*y | || / 3 / / 4 3 2 _________________________________________ / / 3 / / 4 3 2 _________________________________________ \/ \/ 160000*y 3375*y 400*y | || / \/ \/ 160000*y 3375*y 400*y / ________________________ / / \/ \/ 160000*y 3375*y 400*y / ________________________ | || / \/ \/ 160000*y 3375*y 400*y / ________________________ / / \/ \/ 160000*y 3375*y 400*y / ________________________ | || / / / 3 / / / / 3 | || / / / 3 / / / / 3 | || / / / 194481 (6 + 2*y) 441 / / / / 194481 (6 + 2*y) 441 | || / / / 194481 (6 + 2*y) 441 / / / / 194481 (6 + 2*y) 441 | || / 15*y* / / --------- - ---------- + ------ / / 15*y* / / --------- - ---------- + ------ | || / 15*y* / / --------- - ---------- + ------ / / 15*y* / / --------- - ---------- + ------ | || / 3 / / 4 3 2 / / 3 / / 4 3 2 | || / 3 / / 4 3 2 / / 3 / / 4 3 2 | || \/ \/ \/ 160000*y 3375*y 400*y \/ \/ \/ \/ 160000*y 3375*y 400*y | || \/ \/ \/ 160000*y 3375*y 400*y \/ \/ \/ \/ 160000*y 3375*y 400*y | ||- ------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- otherwise | ||- ------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- otherwise | \\ 2 2 / \\ 2 2 /
// __________________________________________________ \ // __________________________________________________ \ || / _____ | || / _____ | || / 3 ___ 2/3 / -1 | || / 3 ___ 2/3 / -1 | || / \/ 5 *21 * / --- | || / \/ 5 *21 * / --- | || / 3 / 2 3 ___ 2/3 | || / 3 / 2 3 ___ 2/3 | || / \/ y 2*\/ 5 *21 | || / \/ y 2*\/ 5 *21 | || / ---------------------- + ----------------------- | || / ---------------------- + ----------------------- | || / 5 _____________ _____________ | || / 5 _____________ _____________ | || / / _____ / _____ | || / / _____ / _____ | || / / / -1 2/3 3 ____ / / -1 | || / / / -1 2/3 3 ____ / / -1 | || / 5*y* / - / --- 5 *\/ 21 * / - / --- | || / 5*y* / - / --- 5 *\/ 21 * / - / --- | || / / 3 / 2 / 3 / 2 | || / / 3 / 2 / 3 / 2 | || \/ \/ \/ y \/ \/ y 6 + 2*y | || \/ \/ \/ y \/ \/ y 6 + 2*y | || --------------------------------------------------------------- - ------------------------------- for ------- = 0| || --------------------------------------------------------------- - ------------------------------- for ------- = 0| || 2 10 5*y | || 2 10 5*y | || | || | || ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ | || ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ | || / _________________________________________ | || / _________________________________________ | x2 = I*im|< / / ________________________ | + re|< / / ________________________ | || / / / 3 | || / / / 3 | || / / / 194481 (6 + 2*y) 441 42 2*(6 + 2*y) | || / / / 194481 (6 + 2*y) 441 42 2*(6 + 2*y) | || / - 2* / / --------- - ---------- + ------ + ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------- | || / - 2* / / --------- - ---------- + ------ + ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------- | || / 3 / / 4 3 2 ____________________________________________________________________________________________________________ _________________________________________ ____________________________________________________________________________________________________________ | || / 3 / / 4 3 2 ____________________________________________________________________________________________________________ _________________________________________ ____________________________________________________________________________________________________________ | || / \/ \/ 160000*y 3375*y 400*y / _________________________________________ / ________________________ / _________________________________________ | || / \/ \/ 160000*y 3375*y 400*y / _________________________________________ / ________________________ / _________________________________________ | || / / / ________________________ / / 3 / / ________________________ | || / / / ________________________ / / 3 / / ________________________ | || / / / / 3 / / 194481 (6 + 2*y) 441 / / / 3 | || / / / / 3 / / 194481 (6 + 2*y) 441 / / / 3 | || / / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) 15*y* / / --------- - ---------- + ------ / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) | || / / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) 15*y* / / --------- - ---------- + ------ / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) | || / 5*y* / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- 3 / / 4 3 2 / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- | || / 5*y* / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- 3 / / 4 3 2 / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- | || / / 3 / / 4 3 2 _________________________________________ \/ \/ 160000*y 3375*y 400*y / 3 / / 4 3 2 _________________________________________ | || / / 3 / / 4 3 2 _________________________________________ \/ \/ 160000*y 3375*y 400*y / 3 / / 4 3 2 _________________________________________ | || / / \/ \/ 160000*y 3375*y 400*y / ________________________ / \/ \/ 160000*y 3375*y 400*y / ________________________ | || / / \/ \/ 160000*y 3375*y 400*y / ________________________ / \/ \/ 160000*y 3375*y 400*y / ________________________ | || / / / / 3 / / / 3 | || / / / / 3 / / / 3 | || / / / / 194481 (6 + 2*y) 441 / / / 194481 (6 + 2*y) 441 | || / / / / 194481 (6 + 2*y) 441 / / / 194481 (6 + 2*y) 441 | || / / 15*y* / / --------- - ---------- + ------ / 15*y* / / --------- - ---------- + ------ | || / / 15*y* / / --------- - ---------- + ------ / 15*y* / / --------- - ---------- + ------ | || / / 3 / / 4 3 2 / 3 / / 4 3 2 | || / / 3 / / 4 3 2 / 3 / / 4 3 2 | ||\/ \/ \/ \/ 160000*y 3375*y 400*y \/ \/ \/ 160000*y 3375*y 400*y | ||\/ \/ \/ \/ 160000*y 3375*y 400*y \/ \/ \/ 160000*y 3375*y 400*y | ||----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------------------------------------------------- otherwise | ||----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------------------------------------------------- otherwise | \\ 2 2 / \\ 2 2 /
// __________________________________________________ \ // __________________________________________________ \ || / _____ | || / _____ | || / 3 ___ 2/3 / -1 | || / 3 ___ 2/3 / -1 | || / \/ 5 *21 * / --- | || / \/ 5 *21 * / --- | || / 3 / 2 3 ___ 2/3 | || / 3 / 2 3 ___ 2/3 | || / \/ y 2*\/ 5 *21 | || / \/ y 2*\/ 5 *21 | || / ---------------------- - ----------------------- | || / ---------------------- - ----------------------- | || / 5 _____________ _____________ | || / 5 _____________ _____________ | || / / _____ / _____ | || / / _____ / _____ | || / / / -1 2/3 3 ____ / / -1 | || / / / -1 2/3 3 ____ / / -1 | || / 5*y* / - / --- 5 *\/ 21 * / - / --- | || / 5*y* / - / --- 5 *\/ 21 * / - / --- | || / / 3 / 2 / 3 / 2 | || / / 3 / 2 / 3 / 2 | || \/ \/ \/ y \/ \/ y 6 + 2*y | || \/ \/ \/ y \/ \/ y 6 + 2*y | || - --------------------------------------------------------------- + ------------------------------- for ------- = 0| || - --------------------------------------------------------------- + ------------------------------- for ------- = 0| || 2 10 5*y | || 2 10 5*y | || | || | || ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ | || ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ | || / _________________________________________ | || / _________________________________________ | x3 = I*im|< / / ________________________ | + re|< / / ________________________ | || / / / 3 | || / / / 3 | || / / / 194481 (6 + 2*y) 441 42 2*(6 + 2*y) | || / / / 194481 (6 + 2*y) 441 42 2*(6 + 2*y) | || / - 2* / / --------- - ---------- + ------ - ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------- | || / - 2* / / --------- - ---------- + ------ - ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------- | || ____________________________________________________________________________________________________________ / 3 / / 4 3 2 ____________________________________________________________________________________________________________ _________________________________________ | || ____________________________________________________________________________________________________________ / 3 / / 4 3 2 ____________________________________________________________________________________________________________ _________________________________________ | || / _________________________________________ / \/ \/ 160000*y 3375*y 400*y / _________________________________________ / ________________________ | || / _________________________________________ / \/ \/ 160000*y 3375*y 400*y / _________________________________________ / ________________________ | || / / ________________________ / / / ________________________ / / 3 | || / / ________________________ / / / ________________________ / / 3 | || / / / 3 / / / / 3 / / 194481 (6 + 2*y) 441 | || / / / 3 / / / / 3 / / 194481 (6 + 2*y) 441 | || / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) / / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) 15*y* / / --------- - ---------- + ------ | || / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) / / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) 15*y* / / --------- - ---------- + ------ | || / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- / 5*y* / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- 3 / / 4 3 2 | || / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- / 5*y* / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- 3 / / 4 3 2 | || / 3 / / 4 3 2 _________________________________________ / / 3 / / 4 3 2 _________________________________________ \/ \/ 160000*y 3375*y 400*y | || / 3 / / 4 3 2 _________________________________________ / / 3 / / 4 3 2 _________________________________________ \/ \/ 160000*y 3375*y 400*y | || / \/ \/ 160000*y 3375*y 400*y / ________________________ / / \/ \/ 160000*y 3375*y 400*y / ________________________ | || / \/ \/ 160000*y 3375*y 400*y / ________________________ / / \/ \/ 160000*y 3375*y 400*y / ________________________ | || / / / 3 / / / / 3 | || / / / 3 / / / / 3 | || / / / 194481 (6 + 2*y) 441 / / / / 194481 (6 + 2*y) 441 | || / / / 194481 (6 + 2*y) 441 / / / / 194481 (6 + 2*y) 441 | || / 15*y* / / --------- - ---------- + ------ / / 15*y* / / --------- - ---------- + ------ | || / 15*y* / / --------- - ---------- + ------ / / 15*y* / / --------- - ---------- + ------ | || / 3 / / 4 3 2 / / 3 / / 4 3 2 | || / 3 / / 4 3 2 / / 3 / / 4 3 2 | ||\/ \/ \/ 160000*y 3375*y 400*y \/ \/ \/ \/ 160000*y 3375*y 400*y | ||\/ \/ \/ 160000*y 3375*y 400*y \/ \/ \/ \/ 160000*y 3375*y 400*y | ||------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- otherwise | ||------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- otherwise | \\ 2 2 / \\ 2 2 /
// __________________________________________________ \ // __________________________________________________ \ || / _____ | || / _____ | || / 3 ___ 2/3 / -1 | || / 3 ___ 2/3 / -1 | || / \/ 5 *21 * / --- | || / \/ 5 *21 * / --- | || / 3 / 2 3 ___ 2/3 | || / 3 / 2 3 ___ 2/3 | || / \/ y 2*\/ 5 *21 | || / \/ y 2*\/ 5 *21 | || / ---------------------- - ----------------------- | || / ---------------------- - ----------------------- | || / 5 _____________ _____________ | || / 5 _____________ _____________ | || / / _____ / _____ | || / / _____ / _____ | || / / / -1 2/3 3 ____ / / -1 | || / / / -1 2/3 3 ____ / / -1 | || / 5*y* / - / --- 5 *\/ 21 * / - / --- | || / 5*y* / - / --- 5 *\/ 21 * / - / --- | || / / 3 / 2 / 3 / 2 | || / / 3 / 2 / 3 / 2 | || \/ \/ \/ y \/ \/ y 6 + 2*y | || \/ \/ \/ y \/ \/ y 6 + 2*y | || --------------------------------------------------------------- + ------------------------------- for ------- = 0| || --------------------------------------------------------------- + ------------------------------- for ------- = 0| || 2 10 5*y | || 2 10 5*y | || | || | || ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ | || ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ | || / _________________________________________ | || / _________________________________________ | x4 = I*im|< / / ________________________ | + re|< / / ________________________ | || / / / 3 | || / / / 3 | || / / / 194481 (6 + 2*y) 441 42 2*(6 + 2*y) | || / / / 194481 (6 + 2*y) 441 42 2*(6 + 2*y) | || / - 2* / / --------- - ---------- + ------ - ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------- | || / - 2* / / --------- - ---------- + ------ - ----------------------------------------------------------------------------------------------------------------------------- - ----------------------------------------------------- | || ____________________________________________________________________________________________________________ / 3 / / 4 3 2 ____________________________________________________________________________________________________________ _________________________________________ | || ____________________________________________________________________________________________________________ / 3 / / 4 3 2 ____________________________________________________________________________________________________________ _________________________________________ | || / _________________________________________ / \/ \/ 160000*y 3375*y 400*y / _________________________________________ / ________________________ | || / _________________________________________ / \/ \/ 160000*y 3375*y 400*y / _________________________________________ / ________________________ | || / / ________________________ / / / ________________________ / / 3 | || / / ________________________ / / / ________________________ / / 3 | || / / / 3 / / / / 3 / / 194481 (6 + 2*y) 441 | || / / / 3 / / / / 3 / / 194481 (6 + 2*y) 441 | || / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) / / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) 15*y* / / --------- - ---------- + ------ | || / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) / / / / 194481 (6 + 2*y) 441 2*(6 + 2*y) 15*y* / / --------- - ---------- + ------ | || / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- / 5*y* / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- 3 / / 4 3 2 | || / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- / 5*y* / 2* / / --------- - ---------- + ------ + ----------------------------------------------------- 3 / / 4 3 2 | || / 3 / / 4 3 2 _________________________________________ / / 3 / / 4 3 2 _________________________________________ \/ \/ 160000*y 3375*y 400*y | || / 3 / / 4 3 2 _________________________________________ / / 3 / / 4 3 2 _________________________________________ \/ \/ 160000*y 3375*y 400*y | || / \/ \/ 160000*y 3375*y 400*y / ________________________ / / \/ \/ 160000*y 3375*y 400*y / ________________________ | || / \/ \/ 160000*y 3375*y 400*y / ________________________ / / \/ \/ 160000*y 3375*y 400*y / ________________________ | || / / / 3 / / / / 3 | || / / / 3 / / / / 3 | || / / / 194481 (6 + 2*y) 441 / / / / 194481 (6 + 2*y) 441 | || / / / 194481 (6 + 2*y) 441 / / / / 194481 (6 + 2*y) 441 | || / 15*y* / / --------- - ---------- + ------ / / 15*y* / / --------- - ---------- + ------ | || / 15*y* / / --------- - ---------- + ------ / / 15*y* / / --------- - ---------- + ------ | || / 3 / / 4 3 2 / / 3 / / 4 3 2 | || / 3 / / 4 3 2 / / 3 / / 4 3 2 | ||\/ \/ \/ 160000*y 3375*y 400*y \/ \/ \/ \/ 160000*y 3375*y 400*y | ||\/ \/ \/ 160000*y 3375*y 400*y \/ \/ \/ \/ 160000*y 3375*y 400*y | ||------------------------------------------------------------------------------------------------------------------------- + ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- otherwise | ||------------------------------------------------------------------------------------------------------------------------- + ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- otherwise | \\ 2 2 / \\ 2 2 /
x4 = re(Piecewise((21^(1/3)*5^(2/3)*sqrt(-(-1/y^2)^(1/3))/10 + sqrt(21^(2/3)*5^(1/3)*(-1/y^2)^(1/3)/5 - 2*21^(2/3)*5^(1/3)/(5*y*sqrt(-(-1/y^2)^(1/3)))/2, (2*y + 6)/(5*y) = 0), (sqrt(2*(sqrt(-(2*y + 6)^3/(3375*y^3) + 194481/(160000*y^4)) + 441/(400*y^2))^(1/3) + 2*(2*y + 6)/(15*y*(sqrt(-(2*y + 6)^3/(3375*y^3) + 194481/(160000*y^4)) + 441/(400*y^2))^(1/3)))/2 + sqrt(-2*(sqrt(-(2*y + 6)^3/(3375*y^3) + 194481/(160000*y^4)) + 441/(400*y^2))^(1/3) - 2*(2*y + 6)/(15*y*(sqrt(-(2*y + 6)^3/(3375*y^3) + 194481/(160000*y^4)) + 441/(400*y^2))^(1/3)) - 42/(5*y*sqrt(2*(sqrt(-(2*y + 6)^3/(3375*y^3) + 194481/(160000*y^4)) + 441/(400*y^2))^(1/3) + 2*(2*y + 6)/(15*y*(sqrt(-(2*y + 6)^3/(3375*y^3) + 194481/(160000*y^4)) + 441/(400*y^2))^(1/3)))))/2, True))) + i*im(Piecewise((21^(1/3)*5^(2/3)*sqrt(-(-1/y^2)^(1/3))/10 + sqrt(21^(2/3)*5^(1/3)*(-1/y^2)^(1/3)/5 - 2*21^(2/3)*5^(1/3)/(5*y*sqrt(-(-1/y^2)^(1/3))))/2, (2*y + 6)/(5*y) = 0), (sqrt(2*(sqrt(-(2*y + 6)^3/(3375*y^3) + 194481/(160000*y^4)) + 441/(400*y^2))^(1/3) + 2*(2*y + 6)/(15*y*(sqrt(-(2*y + 6)^3/(3375*y^3) + 194481/(160000*y^4)) + 441/(400*y^2))^(1/3)))/2 + sqrt(-2*(sqrt(-(2*y + 6)^3/(3375*y^3) + 194481/(160000*y^4)) + 441/(400*y^2))^(1/3) - 2*(2*y + 6)/(15*y*(sqrt(-(2*y + 6)^3/(3375*y^3) + 194481/(160000*y^4)) + 441/(400*y^2))^(1/3)) - 42/(5*y*sqrt(2*(sqrt(-(2*y + 6)^3/(3375*y^3) + 194481/(160000*y^4)) + 441/(400*y^2))^(1/3) + 2*(2*y + 6)/(15*y*(sqrt(-(2*y + 6)^3/(3375*y^3) + 194481/(160000*y^4)) + 441/(400*y^2))^(1/3)))))/2, True))))