1.

Let A={1,3,5,7}, B={2,4,6,8} and f:A→B. Then number of functions f such that f(i)≠i+1,∀ i=1,3,5,7 is

Answer»

Let A={1,3,5,7}, B={2,4,6,8} and f:AB. Then number of functions f such that f(i)i+1, i=1,3,5,7 is



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