Differentiate implicitly to find the first partial derivatives of w. cos(xy)+sin(yz)+wz=61 (delw)/(delx)= (delw)/(dely)= (delw)/(delz)=
1) (cos(xy)+sin(yz)+wz)/61
2) (cos(xy)+sin(yz)+wz)/61
3) (cos(xy)+sin(yz)+wz)/61
4) (cos(xy)+sin(yz)+wz)/61