设y=x*e^y,求dy=?

设y=[e^x+e^(-x)]^2,求dy 设y=x*e^y,求dy=? 设y=e-5x-tanx,求dy 设y=e^sinx+3^x 求dy 急! 设y=e^sinx +3^x,求dy 设y=ln(1+e^-x)求dy 设y=x^2*e^sinx,求dy. 设y=e∧1/x+sin2x,求dy 设 e^(x+y) - xy = 1,求 dy/dx \ x=0 y=0 设函数y=e^2x+cos x求倒数y'与微分dy 设e^(x+y)+cos(xy)=0确定y是x的函数求dy 设y=f(sinx)+e^x^2,f'(x)存在,求y'及dy