The value of `sum_(i=0)^rC(n_1,r-i)C(n_2,i)` is equal to
19 views · Published 11 October 2018 · 1:55 · Indexed 4 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW The value of `sum_(i=0)^rC(n_1,r-i)C(n_2,i)` is equal to
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