1,求不定积分∫(x²+e∧x)dx=

1个回答

  • 1、∫(x²+e∧x)dx =∫x²dx + ∫e∧xdx = x^3/3 + e^x + C (C微积分常数)

    2、∫π/2 0 sin³xcosxdx= ∫π/2 0 sin³x d(sinx) = (sinx)^4/4 (π/2 0) =1/4

    3、 ∫sinxcosxdx = ∫sinx d(sinx) = (sinx)^2/2 +C (C微积分常数)