a / | | _________ | / 2 2 | \/ a - x dx | / 0
Integral(sqrt(a^2 - x^2), (x, 0, a))
// 2 /x\ \ || I*a *acosh|-| 3 | 2| | || \a/ I*x I*a*x |x | | ||- ------------- + ------------------- - ----------------- for |--| > 1| || 2 _________ _________ | 2| | / || / 2 / 2 |a | | | || / x / x | | _________ || 2*a* / -1 + -- 2* / -1 + -- | | / 2 2 || / 2 / 2 | | \/ a - x dx = C + |< \/ a \/ a | | || | / || ________ | || / 2 | || / x | || 2 /x\ a*x* / 1 - -- | || a *asin|-| / 2 | || \a/ \/ a | || ---------- + ------------------ otherwise | \\ 2 2 /
/ 0 | / | | | | / 2 4 2 | 2| | | | I*a I*x I*x 3*I*x |x | | | |- --------------- + ---------------- - ----------------- + ------------------- for ---- > 1 | | | _________ 3/2 3/2 _________ 2 | | | / 2 / 2\ / 2\ / 2 a | | | / x | x | 3 | x | / x | | | / -1 + -- 2*a*|-1 + --| 2*a *|-1 + --| 2*a* / -1 + -- | | | / 2 | 2| | 2| / 2 | | | \/ a \ a / \ a / \/ a | | | | | | ________ |- | < / 2 dx for a < 0 | | | / x | | | a* / 1 - -- | | | / 2 2 | | | \/ a a x | | | ---------------- + ---------------- - ------------------ otherwise | | | 2 ________ ________ | | | / 2 / 2 | | | / x / x | | | 2* / 1 - -- 2*a* / 1 - -- | | | / 2 / 2 | | \ \/ a \/ a | | | / | a < | a | / | | | | / 2 4 2 | 2| | | | I*a I*x I*x 3*I*x |x | | | |- --------------- + ---------------- - ----------------- + ------------------- for ---- > 1 | | | _________ 3/2 3/2 _________ 2 | | | / 2 / 2\ / 2\ / 2 a | | | / x | x | 3 | x | / x | | | / -1 + -- 2*a*|-1 + --| 2*a *|-1 + --| 2*a* / -1 + -- | | | / 2 | 2| | 2| / 2 | | | \/ a \ a / \ a / \/ a | | | | | | ________ | | < / 2 dx otherwise | | | / x | | | a* / 1 - -- | | | / 2 2 | | | \/ a a x | | | ---------------- + ---------------- - ------------------ otherwise | | | 2 ________ ________ | | | / 2 / 2 | | | / x / x | | | 2* / 1 - -- 2*a* / 1 - -- | | | / 2 / 2 | | \ \/ a \/ a | | |/ \0
=
/ 0 | / | | | | / 2 4 2 | 2| | | | I*a I*x I*x 3*I*x |x | | | |- --------------- + ---------------- - ----------------- + ------------------- for ---- > 1 | | | _________ 3/2 3/2 _________ 2 | | | / 2 / 2\ / 2\ / 2 a | | | / x | x | 3 | x | / x | | | / -1 + -- 2*a*|-1 + --| 2*a *|-1 + --| 2*a* / -1 + -- | | | / 2 | 2| | 2| / 2 | | | \/ a \ a / \ a / \/ a | | | | | | ________ |- | < / 2 dx for a < 0 | | | / x | | | a* / 1 - -- | | | / 2 2 | | | \/ a a x | | | ---------------- + ---------------- - ------------------ otherwise | | | 2 ________ ________ | | | / 2 / 2 | | | / x / x | | | 2* / 1 - -- 2*a* / 1 - -- | | | / 2 / 2 | | \ \/ a \/ a | | | / | a < | a | / | | | | / 2 4 2 | 2| | | | I*a I*x I*x 3*I*x |x | | | |- --------------- + ---------------- - ----------------- + ------------------- for ---- > 1 | | | _________ 3/2 3/2 _________ 2 | | | / 2 / 2\ / 2\ / 2 a | | | / x | x | 3 | x | / x | | | / -1 + -- 2*a*|-1 + --| 2*a *|-1 + --| 2*a* / -1 + -- | | | / 2 | 2| | 2| / 2 | | | \/ a \ a / \ a / \/ a | | | | | | ________ | | < / 2 dx otherwise | | | / x | | | a* / 1 - -- | | | / 2 2 | | | \/ a a x | | | ---------------- + ---------------- - ------------------ otherwise | | | 2 ________ ________ | | | / 2 / 2 | | | / x / x | | | 2* / 1 - -- 2*a* / 1 - -- | | | / 2 / 2 | | \ \/ a \/ a | | |/ \0
Piecewise((-Integral(Piecewise((-i*a/sqrt(-1 + x^2/a^2) + i*x^2/(2*a*(-1 + x^2/a^2)^(3/2)) - i*x^4/(2*a^3*(-1 + x^2/a^2)^(3/2)) + 3*i*x^2/(2*a*sqrt(-1 + x^2/a^2)), |x^2|/a^2 > 1), (a*sqrt(1 - x^2/a^2)/2 + a/(2*sqrt(1 - x^2/a^2)) - x^2/(2*a*sqrt(1 - x^2/a^2)), True)), (x, a, 0)), a < 0), (Integral(Piecewise((-i*a/sqrt(-1 + x^2/a^2) + i*x^2/(2*a*(-1 + x^2/a^2)^(3/2)) - i*x^4/(2*a^3*(-1 + x^2/a^2)^(3/2)) + 3*i*x^2/(2*a*sqrt(-1 + x^2/a^2)), |x^2|/a^2 > 1), (a*sqrt(1 - x^2/a^2)/2 + a/(2*sqrt(1 - x^2/a^2)) - x^2/(2*a*sqrt(1 - x^2/a^2)), True)), (x, 0, a)), True))
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.