1 / | | 3 | x | ----------- dx | ________ | / 2 | \/ 2 - x | / 0
Integral(x^3/sqrt(2 - x^2), (x, 0, 1))
TrigSubstitutionRule(theta=_theta, func=sqrt(2)*sin(_theta), rewritten=2*sqrt(2)*sin(_theta)**3, substep=ConstantTimesRule(constant=2*sqrt(2), other=sin(_theta)**3, substep=RewriteRule(rewritten=(1 - cos(_theta)**2)*sin(_theta), substep=AlternativeRule(alternatives=[URule(u_var=_u, u_func=cos(_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=(1 - cos(_theta)**2)*sin(_theta), symbol=_theta), RewriteRule(rewritten=-sin(_theta)*cos(_theta)**2 + sin(_theta), substep=AddRule(substeps=[ConstantTimesRule(constant=-1, other=sin(_theta)*cos(_theta)**2, substep=URule(u_var=_u, u_func=cos(_theta), constant=-1, substep=ConstantTimesRule(constant=-1, other=_u**2, substep=PowerRule(base=_u, exp=2, context=_u**2, symbol=_u), context=_u**2, symbol=_u), context=sin(_theta)*cos(_theta)**2, symbol=_theta), context=-sin(_theta)*cos(_theta)**2, symbol=_theta), TrigRule(func='sin', arg=_theta, context=sin(_theta), symbol=_theta)], context=-sin(_theta)*cos(_theta)**2 + sin(_theta), symbol=_theta), context=(1 - cos(_theta)**2)*sin(_theta), symbol=_theta), RewriteRule(rewritten=-sin(_theta)*cos(_theta)**2 + sin(_theta), substep=AddRule(substeps=[ConstantTimesRule(constant=-1, other=sin(_theta)*cos(_theta)**2, substep=URule(u_var=_u, u_func=cos(_theta), constant=-1, substep=ConstantTimesRule(constant=-1, other=_u**2, substep=PowerRule(base=_u, exp=2, context=_u**2, symbol=_u), context=_u**2, symbol=_u), context=sin(_theta)*cos(_theta)**2, symbol=_theta), context=-sin(_theta)*cos(_theta)**2, symbol=_theta), TrigRule(func='sin', arg=_theta, context=sin(_theta), symbol=_theta)], context=-sin(_theta)*cos(_theta)**2 + sin(_theta), symbol=_theta), context=(1 - cos(_theta)**2)*sin(_theta), symbol=_theta)], context=(1 - cos(_theta)**2)*sin(_theta), symbol=_theta), context=sin(_theta)**3, symbol=_theta), context=2*sqrt(2)*sin(_theta)**3, symbol=_theta), restriction=(x < sqrt(2)) & (x > -sqrt(2)), context=x**3/sqrt(2 - x**2), symbol=x)
Ahora simplificar:
Añadimos la constante de integración:
Respuesta:
/ | | 3 // / __________ 3/2\ \ | x || | / 2 / 2\ | | | ----------- dx = C + |< ___ | \/ 4 - 2*x \4 - 2*x / | / ___ ___\| | ________ ||2*\/ 2 *|- ------------- + -------------| for And\x > -\/ 2 , x < \/ 2 /| | / 2 \\ \ 2 24 / / | \/ 2 - x | /
___ 5 4*\/ 2 - - + ------- 3 3
=
___ 5 4*\/ 2 - - + ------- 3 3
-5/3 + 4*sqrt(2)/3
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.