Question

Let A = {1, 2, 3} , B = {1, 3, 5}. If relation R from A to B is given by R = {(1,3) , (2,5) , (3,3)}. Then R-1 is

a) {(3,3) , (5,2) , (3,1)}

b) {(3,3), (2,5) , (1,3)}

c) {(1,3), (2,5)}

d) none of these

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Answer 1

Answer:

C

Reason :-when R-1

Subtract 1 i.e; (3, 3) from {(1, 3), (2, 5), (3, 3) }

the answer is

{(1, 3), (2, 5)}

This is answer.

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