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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.....
Quote from: unknown on May 19, 2009, 06:38:54 amhey 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..... i thought there was some mistake in the "show clearly that the sum is (n+1) squared :Sand for the precentage of the sphere, i got 502%!!!