Question: Assume that all the given functions are differentiable. If z = 1/x [f (x - y) + g(x + y)g, show that ?z z ?

Assume that all the given functions are differentiable.
If z = 1/x [f (x - y) + g(x + y)g, show thatд?z д дz ду? x² дх Әх

?z z ? x

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