The following relation is defined on the set of real number:
State the whether given statement is true or false
(i)aRb⟺|a|=|b| it is Reflexive, not symmetric,transitive.
A
True
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B
False
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Solution
The correct option is B False Given aRb⇔|a|=|b| Reflexivity: Since, |a|=|a| ⇒aRa Hence, R is reflexive. Symmetry: Let aRb ⇒|a|=|b| or|b|=|a| ⇒bRa Hence, R is symmetric. Transitivity: Let aRb,bRc |a|=|b|;|b|=|c| ⇒|a|=|c| ⇒aRc Hence, R is transitive.