Let `A_1 , A_2 , ....., A_m` be m sets such that `O(A_i)` = p for i = 1,2,....,m and `B_1 , B_2...
441 views · Published 11 October 2018 · 8:00 · Indexed 22 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Let `A_1 , A_2 , ....., A_m` be m sets such that `O(A_i)` = p for i = 1,2,....,m and `B_1 , B_2,....,B_n` sets such that `O(B_j) = q` for j = 1,2,....,n. If `uuu_(j=1)^m A_i = uuu_(j=1)^n B_j = S` and each element of S belongs to exactly `alpha` number of `A_j`'s and `beta` number of `B_j`'s, then
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