Let A and B be two sets containing 2 elements and 4 elements respectively. The number of subsets of A $ \times $ B having 3 or more elements is : - DASH

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Question

Let A and B be two sets containing 2 elements and 4 elements respectively. The number of subsets of A $ \times $ B having 3 or more elements is :

219

211

256

220

Solution

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