Question

root 72 into root 18
$\sqrt{72} \times \sqrt{18} =$
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Answer 1

HELLO MATE....!!

GIVEN......

$\sqrt{72} \times \sqrt{18} \\ \\ = > \sqrt{72 \times 18} \\ \\ = > \sqrt{8 \times 9 \times 2 \times 9} \\ \\ = > \sqrt{9 {}^{2} \times 4 {}^{2} } \\ \\ = > \sqrt{(9 \times 4) {}^{2} } \\ \\ = > \sqrt{36 {}^{2} } \\ \\ = > 36$

HOPE IT HELPS U DEAR......