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Mathematics 8 Online
OpenStudy (anonymous):

Find the derivative of the function. f(x) = cos [ (6x+15)^-1/2]

OpenStudy (anonymous):

Let u = [ (6x+15)^-1/2] => f(x) = cosu => f'(x) = -sinu*d/du = 3sin[ (6x+15)^-1/2] * (6x +15)^-3/2

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