1. Identify the surfaces of the following equations by converting them into equations in the Cartesian form. Show your complete solutions. (a) ² = 4 + 4r² (b) p = sin o sin

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Q: 11) If f is a potential function for the vector field F = (-2y + 2xyz, -2x + x²z, x² y + 8z), then…

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A: both of the series is divergent. see my solution below

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