∫1/[(4-9X^2)^1/2]dx
问题描述:
∫1/[(4-9X^2)^1/2]dx
答
∫1/[(4-9X^2)^1/2]dx
=1/3*∫(1-(3x/2)^2)d(3x/2)
=1/3*arcsin(3x/2)+C