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Check that the point (−1,−1,3)(−1,−1,3) lies on the given surface. Then, viewing the surface as a level surface for a function f(x, y,z)f(x, y,z), find a vector normal to the surface and an equation for the tangent plane to the surface at (−1,−1,3)(−1,−1,3).
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Check that the point (−1,−1,3)(−1,−1,3) lies on the given surface. Then, viewing the surface as a le...
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