f(e) = Given r2 + 14x + 40 dx 1+ cos2 (x) At what value of t does the local max of f(t) occur? %3D

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A: Given that  f'x=cosxx, fπ2=-1 and f3π2=1find ∫π23π2fxdx

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A:

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A:

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A:

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A: Explanation of the answer is as follows

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Q: dr Find if r (x) = 9x 2 + 5x – 3. dx

A: Given,            r(x) = 9x2 + 5x - 3

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A:

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A: Given query is to find the derivative.

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