and equations for the tangent plane and the normal line at point Po (X-Yo Zo) (1.5,0) on the surface − 7 cos (x)+ 5x²y + 4² + 4yz = 36.

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A:

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A: Given that                Then            At  , we need to find the value of .

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A:

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Q: osen y

A: Is it sen y =x

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A: Here is the solution

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A: Note:- Since you have asked multiple question As per our policy, we will solve the first question…

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A: