Doing a practise paper question.

My answer to an earlier part for using composite rule on

I got

Now I need to use quotient rule to differentiate

The working so far is

and here I'm stuck with how to reach the answer i have of

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- June 7th 2011, 01:40 AMTurlockStruggling with quotient rule question
Doing a practise paper question.

My answer to an earlier part for using composite rule on

I got

Now I need to use quotient rule to differentiate

The working so far is

and here I'm stuck with how to reach the answer i have of

- June 7th 2011, 01:53 AMabhishekkgp