Dada a função f(x,y,z)=sen(y+2z)+ln(xyz)+cos(x+2z) encontre 2∂f∂x+2∂f∂y-∂f∂z 1xyz (1x+1y+1z) cos(y+2z)-sen(x+2z) cos(y+2z)+(1x)+(1y)+(1z)-sen(x+2z...

Dada a função f(x,y,z)=sen(y+2z)+ln(xyz)+cos(x+2z) encontre 2∂f∂x+2∂f∂y-∂f∂z

1xyz
(1x+1y+1z)
cos(y+2z)-sen(x+2z)
cos(y+2z)+(1x)+(1y)+(1z)-sen(x+2z)
2(xz+yz-xy)xyz