Question

Simplify:

$(1) \sqrt{12} \times \sqrt{3}$
$(2) \sqrt \frac{98}{162}$

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Answer 1

And of 1 is 36 bro multiple it by Hector’s I’d bodimsos and the sole with instine meetjord

Answer 2

Answer:-

$\textbf{(i) Remembering the rule,}$

$⇒ \sqrt{a} \times \sqrt{b} = \sqrt{ab}$

$⇒ \sqrt{12} \times \sqrt{3} = \sqrt{12 \times 3} = \sqrt{36} = \sqrt{ {6}^{2} } = 6$

$\textbf{(ii) Remembering the rule,}$

$⇒ \sqrt{ \frac{a}{b} } = \frac{ \sqrt{a} }{ \sqrt{b} } (b≠0)$

$⇒ \sqrt{ \frac{98}{162} } = \sqrt{ \frac{2 \times 49}{2 \times 81} } = \sqrt{ \frac{49}{81} } = \sqrt{ \frac{ {7}^{2} }{ {9}^{2} } } = \frac{7}{9}$

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