Evaluate `.^20C_5` + `sum_(r=2)^5`` .^(25-r)C_4`
506 views · Published 12 October 2018 · 2:58 · Indexed 29 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Evaluate `.^20C_5` + `sum_(r=2)^5`` .^(25-r)C_4`
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