Find the second-order partial derivatives of the function. Show that the mixed partial derivatives f and fare equal. f ( x, y ) = x + xy + x+ 5 fxx X X fxy X fux = Need Help? Read It Watch It Submit Answer 10. [-/4 Points] DETAILS TANAPMATH7 12.2.040. MY Find the second-order partial derivatives of the function. Show that the mixed partial derivatives fy and fox are equal. f( x, y) = 5xVy + 5yVx fyy fxy = fyx =