Qualification > Math

can someone answer this maths question in paper 4

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Ghost Of Highbury:
well!!
i am appearing for the nov 2009 exam..
not this one
(1 year younger to u guys)
lol
 :)

sandydandy:
gosh, that question!!! so bad!! i lost all 5 marks... read the question like 24 million times but still didn't answer....... cancelled like 5 billion times.... that question really put me down... i don't even want to no the answer.... :'(

unknown:
hey even i cldnt get it bt then finally i did wth d subsitution method to prove tht it was (n+1)^2 n ya i gues i can achieve marks by tht method 2 n dam i m worried fr probabaility i messed it up n ya wht is d % ans of tht sphere..... ???

Name:

--- Quote from: unknown on May 19, 2009, 06:38:54 am ---hey even i cldnt get it bt then finally i did wth d subsitution method to prove tht it was (n+1)^2 n ya i gues i can achieve marks by tht method 2 n dam i m worried fr probabaility i messed it up n ya wht is d % ans of tht sphere..... ???

--- End quote ---

i thought there was some mistake in the "show clearly that the sum is (n+1) squared :S
and for the precentage of the sphere, i got 502%!!!

unknown:
ok do u knw d probabillity ans plzzzz

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