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Integrales ∫( f (x )± g (x ))dx=∫ f (x )dx ±∫g (x )dx ∫ x ndx= xn+1 n+1 +c ∫ 1 x dx=lnx+c ∫ cos x dx=senx+c ∫ sen x dx=−cosx+c ∫ ex dx=ex+c ∫ f (x ) g ´ (x )dx=∫u (x ) v ´ ( x) dx=u ( x )v ( x )−∫u ´ ( x ) . v ( x )dx u (x )=f (x )→u´ ( x )=f ´ (x) v´ (x )=g ( x)→v (x )=∫ g (x )dx Aplicaciones Resuelva lo siguiente: 1. ∫ cos (2 x )sen3(2 x )dx 2. ∫ xsenxdx considere u=x ,dv=senxdx 3. ∫ x e2x dx considere u=x ,dv=e2x dx 4. ∫(x2+x−2)ex dx 5. ∫ xcos ( x )dx 6. ∫ tan (3 x ) dx 7. ∫ xcos 4 xdx considere u=x ,dv=cos 4 xdx 8. ∫ tan−1dx considere u=tan−1 ,dv=dx 9. ∫ e3x sen(e3x+5)dx 10. ∫ sen(lnx )dx