El profesor se sorprenderá mucho al ver tu solución correcta😉
4 2 x - 14*x + 112*x ------------------ = 0 2 8*x
____________________ / ____________________\ 3 / ______ | ___ ___ 3 / ______ | 7 \/ 1512 + 42*\/ 1254 | 7*\/ 3 \/ 3 *\/ 1512 + 42*\/ 1254 | x1 = ----------------------- + ----------------------- + I*|- ----------------------- + -----------------------------| ____________________ 6 | ____________________ 6 | 3 / ______ | 3 / ______ | \/ 1512 + 42*\/ 1254 \ \/ 1512 + 42*\/ 1254 /
____________________ / ____________________\ 3 / ______ | ___ ___ 3 / ______ | 7 \/ 1512 + 42*\/ 1254 | 7*\/ 3 \/ 3 *\/ 1512 + 42*\/ 1254 | x2 = ----------------------- + ----------------------- + I*|----------------------- - -----------------------------| ____________________ 6 | ____________________ 6 | 3 / ______ |3 / ______ | \/ 1512 + 42*\/ 1254 \\/ 1512 + 42*\/ 1254 /
____________________ 3 / ______ 14 \/ 1512 + 42*\/ 1254 x3 = - ----------------------- - ----------------------- ____________________ 3 3 / ______ \/ 1512 + 42*\/ 1254
x3 = -(42*sqrt(1254) + 1512)^(1/3)/3 - 14/(42*sqrt(1254) + 1512)^(1/3)
suma
____________________ / ____________________\ ____________________ / ____________________\ ____________________ 3 / ______ | ___ ___ 3 / ______ | 3 / ______ | ___ ___ 3 / ______ | 3 / ______ 7 \/ 1512 + 42*\/ 1254 | 7*\/ 3 \/ 3 *\/ 1512 + 42*\/ 1254 | 7 \/ 1512 + 42*\/ 1254 | 7*\/ 3 \/ 3 *\/ 1512 + 42*\/ 1254 | 14 \/ 1512 + 42*\/ 1254 ----------------------- + ----------------------- + I*|- ----------------------- + -----------------------------| + ----------------------- + ----------------------- + I*|----------------------- - -----------------------------| + - ----------------------- - ----------------------- ____________________ 6 | ____________________ 6 | ____________________ 6 | ____________________ 6 | ____________________ 3 3 / ______ | 3 / ______ | 3 / ______ |3 / ______ | 3 / ______ \/ 1512 + 42*\/ 1254 \ \/ 1512 + 42*\/ 1254 / \/ 1512 + 42*\/ 1254 \\/ 1512 + 42*\/ 1254 / \/ 1512 + 42*\/ 1254
=
/ ____________________\ / ____________________\ | ___ ___ 3 / ______ | | ___ ___ 3 / ______ | | 7*\/ 3 \/ 3 *\/ 1512 + 42*\/ 1254 | | 7*\/ 3 \/ 3 *\/ 1512 + 42*\/ 1254 | I*|- ----------------------- + -----------------------------| + I*|----------------------- - -----------------------------| | ____________________ 6 | | ____________________ 6 | | 3 / ______ | |3 / ______ | \ \/ 1512 + 42*\/ 1254 / \\/ 1512 + 42*\/ 1254 /
producto
/ ____________________ / ____________________\\ / ____________________ / ____________________\\ / ____________________\ | 3 / ______ | ___ ___ 3 / ______ || | 3 / ______ | ___ ___ 3 / ______ || | 3 / ______ | | 7 \/ 1512 + 42*\/ 1254 | 7*\/ 3 \/ 3 *\/ 1512 + 42*\/ 1254 || | 7 \/ 1512 + 42*\/ 1254 | 7*\/ 3 \/ 3 *\/ 1512 + 42*\/ 1254 || | 14 \/ 1512 + 42*\/ 1254 | |----------------------- + ----------------------- + I*|- ----------------------- + -----------------------------||*|----------------------- + ----------------------- + I*|----------------------- - -----------------------------||*|- ----------------------- - -----------------------| | ____________________ 6 | ____________________ 6 || | ____________________ 6 | ____________________ 6 || | ____________________ 3 | |3 / ______ | 3 / ______ || |3 / ______ |3 / ______ || | 3 / ______ | \\/ 1512 + 42*\/ 1254 \ \/ 1512 + 42*\/ 1254 // \\/ 1512 + 42*\/ 1254 \\/ 1512 + 42*\/ 1254 // \ \/ 1512 + 42*\/ 1254 /
=
-112
-112
x1 = 2.88895257949561 + 3.32236978973188*i
x2 = 2.88895257949561 - 3.32236978973188*i
x3 = -5.77790515899123
x3 = -5.77790515899123