Question

find the smallest no. by which √8 should be multiplied so as to get a rational no.​

Answer 1

Answer:

Answer is 1/√2

Step-by-step explanation:

Because √8 = √2×√2×√2 = 2×√2 = 2√2

so

$\sqrt{8} \times \frac{1}{ \sqrt{2} } \\ = > 2 \sqrt{2} \times \frac{1}{ \sqrt{2} } \\ = > 2 \\ (which \: is \: a \: rational \: number)$

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