∫1/根号x*sec^2(1-根号x)dx
问题描述:
∫1/根号x*sec^2(1-根号x)dx
答
∫1/根号x*sec^2(1-根号x)dx
=2∫sec^2(1-根号x)d(√x)
=-2∫sec^2(1-根号x)d(1-√x)
=-2tan(1-√x)+c