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