求不定积分∫3x^2+2⼀x^3+2x+5dx

2025-06-22 13:42:09
推荐回答(1个)
回答1:

∫[(3x^2+2)/(x^3+2x+5)]dx
=∫[1/(x^3+2x+5)]d(x^3+2x+5)
=ln(x^3+2x+5) +C