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![[Post New]](/templates/default/images/icon_minipost_new.gif) 25 Mar 2008 15:48:10 IST
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for the coin qsn:
100C1 (1/2)^100 + 100C3(1/2)^100.... 100C99 (1/2)^100
= (2100 -1)/2100
= 1/2
ans (a)
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JEE and OLYMPIA INFINATUM
http://iit-redefined.theforum.name/index.php
join the revolution!! |
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