Hola me ayudan a resolver una integral de xsenaxdx por integracion por partes (:
Porfa .
Integral (u dv) = u^v - (integral) v du
u = x (derivar) du = dx
dv = sen x (integrar) v = - cos
integral (x sen x dx) = x (- cos x) - (integral) (-cos x) dx = - x cos x + (integral) cos x dx =
- x cos x + sen x + C
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Integral (u dv) = u^v - (integral) v du
u = x (derivar) du = dx
dv = sen x (integrar) v = - cos
integral (x sen x dx) = x (- cos x) - (integral) (-cos x) dx = - x cos x + (integral) cos x dx =
- x cos x + sen x + C