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# Quick integration help Watch

1. https://ee551f0ff9059a8c11da68c10620...0FP2%20OCR.pdf

q4ii.

I've done the substitution but have forgotten how to integrate 2/(u^2-1)
2. (Original post by Super199)
https://ee551f0ff9059a8c11da68c10620...0FP2%20OCR.pdf

q4ii.

I've done the substitution but have forgotten how to integrate 2/(u^2-1)
I don't know if it's in the OCR formula booklet, but in Edexcel there's a list of things which integrate to inverse trig functions. This is one of those.
3. Not sure how OCR differs to Edexcel. The Edexcel formula book has a standard result for this type of question in it. The method would be to factorise u^2-1 and then write the whole expression in terms of partial fractions then integrate from there.
4. (Original post by Graph)
Not sure how OCR differs to Edexcel. The Edexcel formula book has a standard result for this type of question in it. The method would be to factorise u^2-1 and then write the whole expression in terms of partial fractions then integrate from there.
(Original post by TLDM)
I don't know if it's in the OCR formula booklet, but in Edexcel there's a list of things which integrate to inverse trig functions. This is one of those.
Hmm yh got it. Just the formula booklet thing.

Cheers

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