Question

Rationalising factor of 1/ √40​

Answer 1

$= \frac{1}{ \sqrt{40} } = \frac{1}{ \sqrt{40} } \times \frac{ \sqrt{40} }{ \sqrt{40} } = \frac{ \sqrt{40} }{40}$

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Answer 2

Answer:

$\frac{1}{ \sqrt{40} } \times \frac{ \sqrt{40} }{ \sqrt{40} } \\ \frac{ \sqrt{40} }{40} = \frac{2\sqrt{10} }{40} \\ \frac{ \sqrt{10} }{20}$

Step-by-step explanation:

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