Consider the function g: R2 + R2 given by 1 eray , xy) if (x, y) + (0,0) x2 + y2 g(x, y) = (0,0) if (x, y) = (0,0). = = =
(c) Decide if g is differentiable at (0,0); if the answer is affirmative, then find Dg(0,0).
Consider the function g: R2 + R2 given by 1 eray , xy) if (x, y) + (0,0) x2 + y2 g(x, y) = (0,0) if (x, y) = (0,0). = =
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Consider the function g: R2 + R2 given by 1 eray , xy) if (x, y) + (0,0) x2 + y2 g(x, y) = (0,0) if (x, y) = (0,0). = =
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