b_k_dubey
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Learning maths from my friends
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find coefficient
find coefficient of x49 in expansion of (x+1)(x+2)(x+3)......(x+99)
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#Mathematics
#Algebra
asked
2010-08-23 09:31:55
Neither too hard nor too easy ;)
Let a and b be 2 coprime +ve integers and f(x) =[x] (greatest integer function). show that \sum_{n=1}^{b-1}{f\left( \frac{na}{b}\right)}=\frac{(a-1)(b-1)}{2}
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13
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#Mathematics
#Algebra
asked
2009-07-24 03:40:44
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