Hi,

I'm just doing a past paper but i don't have the mark scheme would anyone be kind enough to double check my answer:

Question: Differentiate

MyAnswer:

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- November 18th 2009, 11:51 PMacebandSimple Differentiation (checking i'm right)
Hi,

I'm just doing a past paper but i don't have the mark scheme would anyone be kind enough to double check my answer:

Question: Differentiate

MyAnswer: - November 18th 2009, 11:55 PMRockHard
Seems correct, you can also simplify this

- November 19th 2009, 12:03 AMaceband
Argh dam it i thought you might be able to - i can't for the life of me see where but it just 'looks' like it should? Could you start me off?

- November 19th 2009, 12:22 AMRockHard
Well for starters in the denominator when you multiply the term

You can remember the identity - November 19th 2009, 12:34 AMmr fantastic