y=e^2x+x^2-yarcsin(1／x),求y′及dy

y=e^2x+x^2-yarcsin(1／x),求y′及dy 设y=f(sinx)+e^x^2,f'(x)存在,求y'及dy 设y=[e^x+e^(-x)]^2,求dy dy/dx,y=(1+x+x^2)e^x x=sin(y/x)+e^2 求dy/dx y=e^x/x^2+sin2x 求dy/dx 求dy/dx y=e^(2x+1) 求微分方程的通解.[1+2e^(x/y)]dx+ 2e^(x/y)*[1-x/y]dy=0. 1,y=e^tanxcos^3x,求dy 2,函数y=y（x）由方程e^(x+y)+arctan(xy)=0确定,求dy dy/dx=(e^x+x)(1+y^2)通解 y=e^x+e^x^2求dy|x=0,△x=0.1 设y=sin x/1+x^2,求y’及dy