1 / | | 3 | x | ------------ dx | _________ | / 2 | \/ x - 16 | / 0
Integral(x^3/sqrt(x^2 - 16), (x, 0, 1))
TrigSubstitutionRule(theta=_theta, func=4*sec(_theta), rewritten=64*sec(_theta)**4, substep=ConstantTimesRule(constant=64, 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=64*sec(_theta)**4, symbol=_theta), restriction=(x > -4) & (x < 4), context=x**3/sqrt(x**2 - 16), symbol=x)
Ahora simplificar:
Añadimos la constante de integración:
Respuesta:
/ | | 3 // 3/2 \ | x || __________ / 2\ | | ------------ dx = C + |< / 2 \-16 + x / | | _________ ||16*\/ -16 + x + ------------- for And(x > -4, x < 4)| | / 2 \\ 3 / | \/ x - 16 | /
128*I ____ - ----- + 11*I*\/ 15 3
=
128*I ____ - ----- + 11*I*\/ 15 3
-128*i/3 + 11*i*sqrt(15)
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.