Find the value of : (18.5)^2-(6.5)^2 18.5+6.5 - Vidyadip

Question

Find the value of $: \frac{(18.5)^2-(6.5)^2}{18.5+6.5}$

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Answer

$ \frac{(18.5)^2-(6.5)^2}{18.5+6.5}$
$= \frac{(18.5+6.5)(18.5-6.5)}{(18.5+6.5)}$
$= 12$

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