Evaluate: (92)^2-(91)^2 - Vidyadip

Question

Evaluate:
$(92)^2-(91)^2$

✓

Answer

We have,
$(n+1)^2-n^2=(n+1)+n$
Taking $n = 91$ and $(n + 1) = 92$
We get,
$(92)^2-(91)^2=(92+91)=183$

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