设z＝arctan(xy)，而y＝e的x次方，求dz/dx

全导数:设z=arctan(xy),而y=e*x次方,求dz/dx设z=arctan(xy),而y=e*x次方,求dz/dx,全导数:设z=arctan(xy),而y=e*x次方,求dz/dx设z=a

设z=arctan(xy),y=e的x次方,求dz/dx不是dz/dx=@z/@y*dy/dx吗（@指偏导），为什么直接对z求导呢？那之后的dy/dx怎么求呢？设z=arctan(xy),y=e的x次

设z=arctan(xy),y=e^x,求dz/dx．设z=arctan(xy),y=e^x,求dz/dx．设z=arctan(xy),y=e^x,求dz/dx．z=arctan(xy),y=e^x则

Z=arctan(xy)而y=e的x次方,则dz/dx=?最好说下过程Z=arctan(xy)而y=e的x次方,则dz/dx=?最好说下过程Z=arctan(xy)而y=e的x次方,则dz/dx=?最

z=arctan(xy),而y=e^x,求dz/dyz=arctan(xy),而y=e^x,求dz/dyz=arctan(xy),而y=e^x,求dz/dyy=e^xx=lnyz=arctan(yln

设z=arctan(xy),而y=e^x,求全导数dz/dxz=arctan(xe^x)dz/dx={1/[1+(xe^x)²]}*(xe^x)''=(e^x+xe^x)/[1+(xe^x)&

设z=arctan(uv),而u=e^x,v=x^3,求dz/dx设z=arctan(uv),而u=e^x,v=x^3,求dz/dx设z=arctan(uv),而u=e^x,v=x^3,求dz/dxt

二元函数设z=(x平方-y平方)e的xy次方,求dz二元函数设z=(x平方-y平方)e的xy次方,求dz二元函数设z=(x平方-y平方)e的xy次方,求dzaz/ax=2xe^(xy)+y(x

偏导数.急设z=(e^u)sinv而u=xy,v=x+y求dz/dx,dz/dy偏导数.急设z=(e^u)sinv而u=xy,v=x+y求dz/dx,dz/dy偏导数.急设z=(e^u)sinv而u=

设函数z=z(x,y)由方程e的负xy次方－x的平方y＋e的z次方＝z所确定,求dz.设函数z=z(x,y)由方程e的负xy次方－x的平方y＋e的z次方＝z所确定,求dz.设函数z=z(x,y)由方程

设z=y+yt,而y=e^x,t=sinx,求dz/dx设z=y+yt,而y=e^x,t=sinx,求dz/dx设z=y+yt,而y=e^x,t=sinx,求dz/dx

设z=(x+2y)e^xy,求dz设z=(x+2y)e^xy,求dz设z=(x+2y)e^xy,求dzdZ　＝　эZ＆＃47；эx　＊dx　＋　эz＆＃47；эy＊dy　　　　　　　　　　　　　　＝　

设z=arctan(xy)+2x^2+y^2,求dz设z=arctan(xy)+2x^2+y^2,求dz设z=arctan(xy)+2x^2+y^2,求dz

设Z=f(x^2+y,2xy),求dz/dx和dz/dy设Z=f(x^2+y,2xy),求dz/dx和dz/dy设Z=f(x^2+y,2xy),求dz/dx和dz/dyu=x^2+y∂u/

z=x*arctan(xy),求(dz/dx)|(1,1),(dz/dy)|(1,1)z=x*arctan(xy),求(dz/dx)|(1,1),(dz/dy)|(1,1)z=x*arctan(xy)

设函数z=f(x,y)由方程e^z=xyz+cos(xy)求dz/dx,dz/dy.求详解设函数z=f(x,y)由方程e^z=xyz+cos(xy)求dz/dx,dz/dy.求详解设函数z=f(x,y

设z=xy+yt,y=e^x,t=sinx,则dz/dx=设z=xy+yt,y=e^x,t=sinx,则dz/dx=设z=xy+yt,y=e^x,t=sinx,则dz/dx=设z=xy+yt,y=e^

设函数z=(x^2+y^2)*{e^-arctan(x/y)},求dz与a^2z/axay设函数z=(x^2+y^2)*{e^-arctan(x/y)},求dz与a^2z/axay设函数z=(x^2+

z=arctan(x/y),求dzz=arctan(x/y),求dzz=arctan(x/y),求dz【方法1】z''(x)=y/(x^2+y^2),z''(y)=-x/(x^2+y^2),dz=(ydx

求Z=arctan(xy),而y=e^x的全导数求Z=arctan(xy),而y=e^x的全导数求Z=arctan(xy),而y=e^x的全导数见图dz=(y/(1+x^2y^2))dx+(x/(1+