Find the derivative. 26) dx 16t7 dt A) B) 2x5 - 2 C) 16x7/2 D) 8x3 sin t 1 27) du 25 - u2 1 - Cos t A) 25 - sin2 t B) 25 - sin2 t Cos t 1 C) 25 – sin2 t D) cos t (25 - sin2 t)

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A: The explanation of the solution is :

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A:

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A: Our aim is to verify that ∫u sinu du=sin u-cos u+C. Using this integral to find the value of…