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# FP2 Tweet

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1. FP2

Can someone talk me through this part of the question which i dont get.

Thanks
2. Re: FP2
Product rule:

E^x(2y*y' + y^2 + 1 + 2*([y]'y' + y*y'') + 2yy')

E^x(2y*y'' + 2(y')^2 + 4y*y' + y^2 + 1)
3. Re: FP2
Differentiate the function with the product rule. Gonna work my latex on this one..

If your exam's tomorrow then goodluck
Last edited by SecondHand; 22-06-2012 at 01:28. Reason: error differentiating
4. Re: FP2
(Original post by SecondHand)
Differentiate the function with the product rule. Gonna work my latex on this one..

If your exam's tomorrow then goodluck

You missed out the 1st term within the brackets in the answer due to an error in differentiating 'u' in line 5
5. Re: FP2
(Original post by RVNmax)
You missed out the 1st term within the brackets in the answer due to an error in differentiating 'u' in line 5
So I did, thanks for that one. Fixed now, why I am doing maths at 1:30am (
Last edited by SecondHand; 22-06-2012 at 01:28.