不定积分:∫1⼀(x^4+1)*dx=

2024-11-23 15:12:53
推荐回答(1个)
回答1:

∫1/(x^4+1)dx=
[1/(4*2^(1/2)]{ln[(x^2+2^(1/2)x+1)/(x^2-2^(1/2)x+1)]+2arctan[(2^(1/2)x)/(1-x^2)]}