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Finding Square Root by Long Division Method

Solve: √12+5...

Question

Solve:
$\sqrt{12} + 5 \sqrt{4} + \sqrt{4} - \sqrt{81}$

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Solution

$\sqrt{12} + 5 \sqrt{4} + \sqrt{4} - \sqrt{81}$
$= \sqrt{4 \times 3} + 5 \times 2 + 2 - 9$
$= 2 \sqrt{3} + 10 + 2 - 9$
$= 2 \sqrt{3} + 3$

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