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Let A={a,b,c} and B={1,2,3,4}. Then the number of elements in the set C={f:A→B | 2∈f(A) and f is not one–one} is

Answer» Let A={a,b,c} and B={1,2,3,4}. Then the number of elements in the set C={f:AB | 2f(A) and f is not one–one} is


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