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If R is a relation from set A={11 , 12 ,...

If `R` is a relation from set `A={11 , 12 , 13}` to set `B={8, 10 , 12}` defined by `y=x-3,` then write `R^(-1)dot`

A

`P{(8,11),(10,13))}`

B

`{(11,18),(13,10)}`

C

`{(10,13),(8,11)}`

D

None of these

Text Solution

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The correct Answer is:
B
Given `, y = x - 3 rArr x - y = 3 `
` therefore R= { (11,8 ) , ( 13,10) } `
` rArr R^( - 1 ) = {( 8,11 ) , ( 10 , 13)} `
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