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