1.

Mark the correct alternative in the following question:Let A = {1, 2, ... , n} and B = {a, b}. Then the number of subjections from A into B is(a) nP2 (b) 2n - 2 (c) 2n - 1 (d) nC2

Answer» Mark the correct alternative in the following question:



Let A = {1, 2, ... , n} and B = {a, b}. Then the number of subjections from A into B is



(a) nP2 (b) 2n - 2 (c) 2n - 1 (d) nC2


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