Math, asked by llEmberMoonblissll, 23 hours ago

Let A = {1, 2, 3, ...n} and B = {a, b}. Then the number of surjections from A into B is
(A) nP2

(B) 2n – 2

(C) 2n – 1

(D) None of these

Answers

Answered by ramakrishnaburagana

3

Answer:

(D) I think it is the answer

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