设y=1/a arctan x/a ,则 dy/dx
设y=1/a arctan x/a ,则 dy/dx
设ln(x^2+y^2)=arctan(y/x),则dy/dx=
设函数y=arctan(1+x^2),求dy/dx.
设y=arctan(a/x)+1/2[ln(x-a)-ln(x+a)],求dy|x=0
函数y=arctan(1+x^2)求dy/dx
设x=t+arctan t+1,y=t的立方+6t-2,求dy/dx
设方程x-y+arctan y=0确定了y=y(x),求dy/dx.
1、设y=x+Inx,则dx/dy=() A、(x+1)/x B、(y+1)/y C、x/(x+1) D、y/(y+1)
设y-x-1/2sinx,则dx/dy=
高数题,设y=f[(3x-2)/(3x+2)],f`(x)=arctan(x^2,)则dy/dx在x=0时=
设F(X,Y)是连续函数,则∫(a,0)dx∫(x,0) f(x,y)dy=
设参数方程式 {x=ln(1+t^3) y=t-arctan t ;确定y是X的函数,求 dy/dx?