y=e^x^2 则dy=( )A e^x^2 B e^x^2dx C 2Xe^x^2dy D2e^(2x) dy

y=e^2x则dy? y=e^x^2 则dy=( )A e^x^2 B e^x^2dx C 2Xe^x^2dy D2e^(2x) dy y=e^2x,dy= y=e^-x^2,求dy 设y=[e^x+e^(-x)]^2,求dy dy/dx,y=(1+x+x^2)e^x [e^(x+y)-e^x]dx+[e^(x+y)-e^y]dy=0求通解 y=e^3x,dy=? 微分方程 dy/dx=(e^y+3x)/x^2 dy/dx=(e^x+x)(1+y^2)通解 x=sin(y/x)+e^2 求dy/dx y=e^x/x^2+sin2x 求dy/dx dy/ dx +2y=x*e^x的通解, 设y=cos(x^2+e^x)求dy y=e^sin(x^2+根号x),求dy y=x*e^y,则dy= x^2+y^2=e^y求dy/dx e^x+e^y=y 确定函数y=f(x) 则dy/dx