f(x) = sqrt ( x^2 + (4x/x - 8)^2 )

thanks a lot for you help

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- March 9th 2011, 02:39 AMrcscan anybody help me find the derivative of this f(x)
f(x) = sqrt ( x^2 + (4x/x - 8)^2 )

thanks a lot for you help - March 9th 2011, 02:53 AMHallsofIvy
What have you

**tried**yourself? If you let , , and , that function is

You will need to use the power rule, the quotient rule, and the chain rule.