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
Let's break it down: solving fully: apply relevant formula, put numbers, compute. Result comes as R = (7, 7), (8, 8), (9, 9). Easy verification shows it satisfies condition.
Ref: NCERT Mathematics Class XI — Sets, Relations and Functions
The logic is straightforward: after simplifying, The relation is an equivalence relation is left. The method is simple: formula → substitution → calculation → answer.
Ref: NCERT Mathematics Class XI — Sets, Relations and Functions
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