y=x^2乘2^x 求dy

y=x^2乘2^x 求dy y=x^2x,求dy y=x平方乘e的2x次方,求dy y=sinx/x^2,求dy y=x×2^arcsinx 求dy y=e^-x^2,求dy y=(tanx)/x^2,求dy y=xsin 2x,求dy y=(cos^2x) 求dy 设y=(2+x)^x,(x>0) ,求dy x^y-y^x=2,求dy/dx 求dy/dx=(x-y+5)/(x+y-2) y=f[(x-1)/(x+1)],f'(x)=arctanx^2,求dy/dx,dy y=ln(x^2-x+2) 求dy y=2x^2+x求dy/dx sin(x^2+y^2)=x,求dy y=ln(x+x^2) 求dy x=sin(y/x)+e^2 求dy/dx