Question: Determine whether or not the following continuous functions are differentiable at (0,0). (10pts) (why or why not) x' - v for (x, y) # (0,0)

Determine whether or not the following continuous functions are differentiable at

Determine whether or not the following continuous functions are differentiable at (0,0). (10pts) (why or why not) x' - v for (x, y) # (0,0) a) z= f (x, y ) = x +xy+v 0 for (x, y) = (0,0) b) z = g(x, y) = Vx2 +2y2

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