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If A, B and C are three sets and U is the universalset such that n(U) 700, n(A) 200, n(B) = 300and n(An B) =100. Find n(A'n B')(1) 200(2) 300(3) 400(4) 500 |
| Answer» If A, B and C are three sets and U is the universalset such that n(U) 700, n(A) 200, n(B) = 300and n(An B) =100. Find n(A'n B')(1) 200(2) 300(3) 400(4) 500 | |