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Please teahc how to solve y2 22 9. Consider the surface x2 + 3+ 3 = 1. 1 a. Find the equation of the tangent

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Please teahc how to solve

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y2 22 9. Consider the surface x2 + 3+ 3 = 1. 1 a. Find the equation of the tangent plane to this surface at the point [5,2,2]. b. Find a point at which the tangent plane to this surface is horizontal. Are there any other such points? c. Find a point at which the tangent plane to this surface is vertical. Are there any other such points

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