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3. Consider the function: (x2 + 32) sin 1 F(x, y) = if (x, y) + (0, 0) x2 +y2 0 Otherwise Show that F

3. Consider the function: (x2 + 32) sin 1 F(x, y) = if (x, y) + (0, 0) x2 +y2 0 Otherwise Show that F is differentiable at (0, 0)

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