(x+1)*e的x次方*dx=?求不定积分,
问题描述:
(x+1)*e的x次方*dx=?求不定积分,
答
∫ (x+1)e∧x dx=∫(x+1)de∧x =(x+1)e∧x - ∫ e∧xd(x+1)=(x+1)e∧x - e∧x=xe∧x
(x+1)*e的x次方*dx=?求不定积分,
∫ (x+1)e∧x dx=∫(x+1)de∧x =(x+1)e∧x - ∫ e∧xd(x+1)=(x+1)e∧x - e∧x=xe∧x