Ex 1.6, 1 - Chapter 1 Class 11 Sets
Last updated at May 29, 2018 by Teachoo
Transcript
Ex 1.6, 1 If X and Y are two sets such that n(X) = 17, n(Y) = 23 and n(X Y) = 38, find n(X Y). n(X) = 17, n(Y) = 23, n(X Y) = 38 n(X Y) = ? We know that: n(X Y) = n(X)+ n(Y) n(X Y) 38 = 17 + 23 n(X Y) 38 = 40 n(X Y) n(X Y) = 40 38 n(X Y) = 2
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