求不定积分.∫【 u^(1/2)+1】(u-1) du:

问题描述:

求不定积分.∫【 u^(1/2)+1】(u-1) du:

∫【 u^(1/2)+1】(u-1) du
=∫[ u^(3/2)+u-u^(1/2)-1)] du
=∫ u^(3/2)du+∫udu-∫u^(1/2)du-∫1 du
=2/5 u^(5/2)+1/2 u^2-2/3 u^(3/2)-u+C