Question

Rationalise the denominator and simply
a].1/7√6

Answer 1

$\ \ \ \ \dfrac{1}{7 \sqrt{6} }$

$= \dfrac{1}{7 \sqrt{6} } \times \dfrac{ \sqrt{6} }{ \sqrt{6} }$

$= \dfrac{ \sqrt{6} }{7( \sqrt{6} \times \sqrt{6} )}$

$= \dfrac{ \sqrt{6} }{7 \times 6}$

$= \dfrac{ \sqrt{6} }{42}$

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