Find the number of ways in which n, '1' and n '2' can be arranged in a row so that upto any po
118 views · Published 13 October 2018 · 5:48 · Indexed 21 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Find the number of ways in which n, '1' and n '2' can be arranged in a row so that upto any point in the no. of '1' is more than or equal to no. of '2'
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