Evaluate the Required Second Order Partial Derivative $f_{x y}(5,-2)$ , If $f(x, y)=-5 x^{3} y^{2}+4 x^{4}-3 x y^{3}$

Multiple Choice

Evaluate the required second order partial derivative.
-Find $f_{x y}(5,-2)$ , if $f(x, y) =-5 x^{3} y^{2}+4 x^{4}-3 x y^{3}$ .

A) 542
B) -633
C) 1464
D) -825