Question:

F'(x) of (x)(sq rt of 2x-3)?

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please help and show me how it's done!

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  1. If you want to take the derivative of a function that is the product of two other functions, like h(x)=f(x)g(x)... you take the derivative of the first times the second, plus the derivative of the second times the first... that is, h'(x)=f'(x)g(x)+g'(x)f(x).

    So here it's:

    (1)(sqrt(2x-3))+(x)(1/2)((2x-3)^(-1/2)...

    = sqrt(2x-3) - x/(sqrt(2x-3))

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