Find in a simplified form, the derivative of the function

Used the quotient rule:

The answer is supposed to be

so I have a factor 4. Where have i missed out?

Thanks

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- August 26th 2009, 06:57 AMarzeMore differentiation help
Find in a simplified form, the derivative of the function

Used the quotient rule:

The answer is supposed to be

so I have a factor 4. Where have i missed out?

Thanks - August 26th 2009, 07:26 AMJester
- August 26th 2009, 04:47 PMarze
I don't exactly get what you mean. I have the factor 4, but i can't just eliminate it.

- August 26th 2009, 04:58 PMJester
- August 26th 2009, 05:00 PMarze
so do you mean that the answer given is wrong?

- August 26th 2009, 05:09 PMJester
- August 26th 2009, 05:12 PMarze
oh, that's what you meant by maple, i was wondering what you were talking about. haha