y=x^x+5^x+x^5+e^-x 求dy

设y=[e^x+e^(-x)]^2,求dy 设y=e-5x-tanx,求dy y=x^5+e^sinx,求dy [e^(x+y)-e^x]dx+[e^(x+y)-e^y]dy=0求通解 求dy/dx=(x-y+5)/(x+y-2) 求微分方程dx/dy+y/x=e∧x x=sin(y/x)+e^2 求dy/dx 微积分 y=e^sinx+x√x 求dy y=e^x/x^2+sin2x 求dy/dx y=e^x+e^x^2求dy|x=0,△x=0.1 设函数y=(x^5-e^4x)/cosx,求dy 已知y=e^-3x+ln(1+5x)求dy