Hello, Can you explain to me how to differentiate (find f '(x) ) for fractions? I get confused.

and

thanks!

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- September 27th 2010, 11:14 PMDexCalculus Simple Fraction Differentiation Help
Hello, Can you explain to me how to differentiate (find f '(x) ) for fractions? I get confused.

and

thanks! - September 27th 2010, 11:17 PMProve It
Write the first as and differentiate as normal.

Write the second as and differentiate as normal.

Be sure to convert your answers to the same form they were originally written in. - September 27th 2010, 11:23 PMDex
okay, I understand the first question now :) , But don't quiet understand why the 2 is negative.

- September 27th 2010, 11:31 PMProve It
Because . Basic index law.