Report - administradorjorgevelcasING. PABLO GARCÍA Y COLOMÉ 4 3 xxcos dx ∫ sen x 3 cos; x u x du dx dv dx sen x =⇒= = ws=⇒enxdw=cosxdx 32 11 22 dw v wwse ⇒ =∫ =− =− n2x 32 cos

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