Let A={l,2,3} which of the following function f : A → A does not have an inverse function?(a) {(1, 1),(2, 2),(3, 3)} (b) {(1, 2),(2, 1),(3, 1)} (c) {(1, 3),(3, 2),(2, 1)} (d) {(1, 2),(2, 3),(3, 1)}

Let A={l,2,3} which of the following function f : A → A does not h

1.	Let A={l,2,3} which of the following function f : A → A does not have an inverse function?(a) {(1, 1),(2, 2),(3, 3)} (b) {(1, 2),(2, 1),(3, 1)} (c) {(1, 3),(3, 2),(2, 1)} (d) {(1, 2),(2, 3),(3, 1)}
Answer» Answer is (b) {(1, 2),(2, 1),(3, 1)}

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Let A={l,2,3} which of the following function f : A → A does not have an inverse function?(a) {(1, 1),(2, 2),(3, 3)} (b) {(1, 2),(2, 1),(3, 1)} (c) {(1, 3),(3, 2),(2, 1)} (d) {(1, 2),(2, 3),(3, 1)}

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