y=f[(x-2)/(x+2)],f'(x)=arctanx^2,求x=0时y'
y=f[(x-1)/(x+1)],f'(x)=arctanx^2,求dy/dx,dy
设f x 为可导函数,y=f^2(x+arctanx),求dy/dx
设f(x)可导,且f'(0=1,又y=f(x^2+sin^2x)+f(arctanx),求dy/dx /x=0
设函数f(x)=x-2arctanx,求函数f(x)的单调区间和极值,求曲线y=f(x)的凹凸区间和拐点
已知f(x)=(arctanx)^2,则f '(x)=?
高数:已知f(x+y,y)=x^2+y^2,求f(x,y)
求极限 f(x)=arctanx/x
求通解(1+x^2)y'+y=arctanx
求导法则:已知f(x)=(1+x^2)arctanx,求f ′(0)
设y=f[(3x-2)/(3x+2)]且f'(x)=arctanx^2,则dy/dx|x=0的值多少
函数y=f(x)对任意实数x,y都有f(x+y)=f(x)+f(y)+2xy 求f(0)的值
函数f(x)对任意实数x,y有f(x+y²)=f(x)+2[f(y)]²,且f(1)不等于0,求f(