> 其他 >
高数求不定积分,∫x4/(1+x2)dx
人气:272 ℃ 时间:2020-05-30 04:32:23
解答
= (x^4-1)/(x^2+1) + 1/(x^2+1) dx
= x^2 - 1 + 1/(x^2+1) dx
= x^3/3 - x + arctanx
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版