Binomial Coefficient Summation (Jee Mains)

Terms of Binomial Expansion

Medium

If $\sum\limits_{r = 0}^5 {\frac{{^{11}{C_{2r + 1}}}}{{2r + 2}} = \frac{m}{n}}$ , gcd(m, n) =1, then m – n is equal to ______.

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