Question

Rationalize the dinominator 3/7
$\sqrt{7}$
7? ?​

Answer 1

Answer:

$\frac{3}{ \sqrt{7} } \\ \\ = \frac{3}{ \sqrt{7} } \times \frac{ \sqrt{7} }{ \sqrt{7} } \\ \\ = \frac{3 \sqrt{7} }{ {( \sqrt{7} )}^{2} } \\ \\ = \frac{3 \sqrt{7} }{7}$

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