3 public questions tagged with this topic.
Notice that after simplifying, Symmetric relation is left. The method is simple: formula → substitution → calculation → answer.
Ref: NCERT Mathematics Class XI — Sets, Relations and Functions
From the definition, after simplifying, (5, 2), (9, 4), (11, 5) is left. The method is simple: formula → substitution → calculation → answer.
Ref: NCERT Mathematics Class XI — Sets, Relations and Functions
We know that using formula we get Ⴔ. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get Ⴔ.
Ref: NCERT Mathematics Class XI — Sets, Relations and Functions
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