Question: the number F I did wrong and I need help on that question. (1 point) Find all the first and second order partial derivatives of

the number F I did wrong and I need help on that question.

(1 point) Find all the first and second order partial derivatives of f(x, y) - 7 sin(2x + y) - 1 cos(x -y). of fz = 14cos(2x+y)+sin(x-y) of B. du - fy = 7cos(2x+y)-sin(x-y) a2 f C. -14sin(2x+y)(2)+cos(x-y) a2f D. fyy -7sin(2x+y)+cos(x-y) ay 2 fuz = -7sin(2x+y)(2)-cos(x-y)(1) axay fay -28/sin(2x+y)-cos(x-y)

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