arctan(((2X)/(1-X))^2)导数
问题描述:
arctan(((2X)/(1-X))^2)导数
答
{1+[2x/(1-x)]^4}×2[2x/(1-x)] ×{[2(1-x)-2x(-1)]/(1-x)^2}
={1+[2x/(1-x)]^4}[8x/(1-x)^3]