Question

y (c) The function f(x, y) is differentiate at (a, b) if: (i) fx and f, exist and are both continuous at (a, b) (ii) fy exists and f, is differentiable at (a, b) (iii) fs and fy exist and one of them is continuous at (a, b) (iv) None of these​

Answer 1

Answer:

gg from Delhi

Step-by-step explanation:

the truth is that meaning of nice