求不定积分x⼀x^2+x+1dx

2024-12-19 08:23:07
推荐回答(1个)
回答1:

∫x/(x^2+x+1)dx=∫(x+1/2)/[(x+1/2)^2+3/4]dx-1/2∫1/[(x+1/2)^2+3/4]dx