1.

If w(x,y, z) = x2 (y – z) + y2 (z – x) + z2 (x – y), then ∂w/x + ∂w/∂y + ∂w/∂z is ________. (a) xy + yz + zx (b) x (y + z) (c) y (z + x)(d) 0

Answer»

The correct answer is : (d) 0



Discussion

No Comment Found

Related InterviewSolutions