math_proof Group Title find gradient of this potential function xy+xz+yz one year ago one year ago

1. sirm3d

the gradient of a potential function F is a vector $\large \nabla F(x,y,z)=F_x(x,y,z) \text i+F_y(x,y,z)\text j+F_z(x,y,z) \text k$$\large F_x=y+z+0=y+z$can you do the other two components Fy and Fz?

2. math_proof

y=z+x and z=x+y

3. math_proof

?