Binomial Sum

Calculus (Integrals, Series)
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jacks
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Joined: Thu Nov 12, 2015 5:26 pm
Location: Himachal Pradesh (INDIA)

Binomial Sum

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Post by jacks »

How Can I Calculate value of \(\displaystyle \frac{\sum_{r=0}^{24}\binom{100}{r}.\binom{100}{4r+2}}{\sum_{r=1}^{25}\binom{200}{8r-6}}\)
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