Question

evaluate:-
$\sqrt {(1 + 3 + 5 + 7 + 9)(3^2 + 4 ^2 + 12 ^2)$
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Answer 1

$\sf \small \sqrt {(1 + 3 + 5 + 7 + 9)(3^2 + 4 ^2 + 12 ^2)}$

$\sf \small\sqrt{25(9 + 16 + 144}$

$\sf \small \sqrt{25 \times 169}$

$\sf \small \sqrt{4225}$

$\sf \small \sqrt{ {(65)}^{2} }$

$65$

$\frak{ \fbox{ \tt{So \: the \: answer \: is \: 65}}}$