1 / | | 3 | x | ----------- dx | ________ | / 2 | \/ x - 4 | / 0
Integral(x^3/sqrt(x^2 - 4), (x, 0, 1))
TrigSubstitutionRule(theta=_theta, func=2*sec(_theta), rewritten=8*sec(_theta)**4, substep=ConstantTimesRule(constant=8, other=sec(_theta)**4, substep=RewriteRule(rewritten=(tan(_theta)**2 + 1)*sec(_theta)**2, substep=AlternativeRule(alternatives=[URule(u_var=_u, u_func=tan(_theta), constant=1, substep=AddRule(substeps=[PowerRule(base=_u, exp=2, context=_u**2, symbol=_u), ConstantRule(constant=1, context=1, symbol=_u)], context=_u**2 + 1, symbol=_u), context=(tan(_theta)**2 + 1)*sec(_theta)**2, symbol=_theta), RewriteRule(rewritten=tan(_theta)**2*sec(_theta)**2 + sec(_theta)**2, substep=AddRule(substeps=[URule(u_var=_u, u_func=tan(_theta), constant=1, substep=PowerRule(base=_u, exp=2, context=_u**2, symbol=_u), context=tan(_theta)**2*sec(_theta)**2, symbol=_theta), TrigRule(func='sec**2', arg=_theta, context=sec(_theta)**2, symbol=_theta)], context=tan(_theta)**2*sec(_theta)**2 + sec(_theta)**2, symbol=_theta), context=(tan(_theta)**2 + 1)*sec(_theta)**2, symbol=_theta), RewriteRule(rewritten=tan(_theta)**2*sec(_theta)**2 + sec(_theta)**2, substep=AddRule(substeps=[URule(u_var=_u, u_func=tan(_theta), constant=1, substep=PowerRule(base=_u, exp=2, context=_u**2, symbol=_u), context=tan(_theta)**2*sec(_theta)**2, symbol=_theta), TrigRule(func='sec**2', arg=_theta, context=sec(_theta)**2, symbol=_theta)], context=tan(_theta)**2*sec(_theta)**2 + sec(_theta)**2, symbol=_theta), context=(tan(_theta)**2 + 1)*sec(_theta)**2, symbol=_theta)], context=(tan(_theta)**2 + 1)*sec(_theta)**2, symbol=_theta), context=sec(_theta)**4, symbol=_theta), context=8*sec(_theta)**4, symbol=_theta), restriction=(x > -2) & (x < 2), context=x**3/sqrt(x**2 - 4), symbol=x)
Ahora simplificar:
Añadimos la constante de integración:
Respuesta:
/ | | 3 // 3/2 \ | x || _________ / 2\ | | ----------- dx = C + |< / 2 \-4 + x / | | ________ ||4*\/ -4 + x + ------------ for And(x > -2, x < 2)| | / 2 \\ 3 / | \/ x - 4 | /
16*I ___ - ---- + 3*I*\/ 3 3
=
16*I ___ - ---- + 3*I*\/ 3 3
-16*i/3 + 3*i*sqrt(3)
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.