i know it simplifies to x^8/3 - 4x^2/3 but how does one get to that (esp. the x^8/3) also, how do you get to f'(x) from here? Thank you in advance to those smarter than I...

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Originally Posted by calcconfused i know it simplifies to x^8/3 - 4x^2/3 but how does one get to that (esp. the x^8/3) also, how do you get to f'(x) from here? Thank you in advance to those smarter than I... Hi, calcconfused. To simplify the basic equation, remember that and the rules for adding fractions: And now the derivative: Hope that helps!

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