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![[Post New]](/templates/default/images/icon_minipost_new.gif) 18 Aug 2007 07:56:16 IST
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let a1,a2,a3,.........................be an A.P. prove that
E2Mn=1 (i.e. summision of n=1 to 2m) (-1)n-1 a2n=m/(2m-1) *(a12-a2m2)
here a2n is the square of the nth term of AP
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18 Aug 2007 07:59:23 IST
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What does 'a' stand for in 'a2n'.???????????????
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