y=(3x+1)²-2e^r,求dy

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 求dy/dx y=e^(2x+1) 设y=[e^x+e^(-x)]^2,求dy y=f(e^x) ,其中f具有二阶导数,求 dy/dx ,d²y/dx² 求二次积分 ∫（0-1）dx∫(x-1)e^(-y²)dy x=sin(y/x)+e^2 求dy/dx y=e^x/x^2+sin2x 求dy/dx y=e^2x+x^2-yarcsin(1／x),求y′及dy 设x=ln(1+t²) y=t-arctant 求dy/dx d²y/dx² 求微分方程的通解.[1+2e^(x/y)]dx+ 2e^(x/y)*[1-x/y]dy=0. 1,求曲线y=x²与x=1所围平面图形面积及其绕y轴旋转所得旋转体面积 2,xy=e^x+y,求dy 求微分方程的通解 dy/dx=e^（2x+y) [1/2(e^2x)]+e^y=c