03/22/13
find the value of x in the expansion of (1+x)^44
if the 21st and 22nd terms in the expansion of (1+x)^44 are equal. Find the value of x
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03/04/13
6papers of which 2 are mathematical how can it be arranged
how can the papers be arranged if: i) the 2mathematical papers are together and (ii) the 2mathematical papers are not consecutive.
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03/04/13
in how many ways can a committee of 5 be chosen from 6boys and 4girls
The committee of 5 is to be chosen from 6boys and 4girls and the committe must have exactly 2 girls
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