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AS maths paper 13 Oct/nov 2010 discussion

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Fatema:
when are you going to discuss the maths paper 13 Oct/nov 2010

Deadly_king:

--- Quote from: Fatema on October 14, 2010, 09:26:19 am ---when are you going to discuss the maths paper 13 Oct/nov 2010

--- End quote ---

I guess it's alright to discuss about it now. 24 hours have already elapsed!

But I sat for paper 12 :P

I guess it won't be the same

islu_jf:
hey.. i sat for 12 too..
can we discus that here??
and how did u do the last qestion?

cs:
I sat for paper 13

Deadly_king:

--- Quote from: islu_jf on October 14, 2010, 10:35:31 am ---hey.. i sat for 12 too..
can we discus that here??
and how did u do the last qestion?

--- End quote ---
Last number, you must be meaning the volume of shaded region when it is rotated 360o.

Well, it was simple.
1. You needed to find volume under the line.
2.Find volume under the curve.

Both should be in terms of pie. Then you subtract volume under curve from the volume under line to obtain the required solution ;)

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