1⼀(u+u^2)du求不定积分

2024-12-30 10:43:05
推荐回答(2个)
回答1:

回答2:


∫1/(u+u²)du
=∫1/[u(1+u)]du
=∫1/u-1/(u+1)du
=ln|u|-1n|u+1|+C
=ln|u/(u+1)|+C