Question
Let A = {1,2,3}, B = {1,3,5}. A relation R:A → B is
defined by R = {(1,3),(1,5),(2,1)}. Then R−1 is defined by
Answer: Option C
:
C
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:
C
( x,y) ∈ R ⇔ (y,x) ∈R−1, ∴ R−1={(3,1),(5,1),(1,2)}.
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