If -7-2-646 then 1-7 - - a 0-375 b 0-378 c 0-441 d None of these

√(7) = 2.646 1/√(7) = √(7)/7 = 2.646/7 = 0.378 Hence, the correct answer is the option (b) ...

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Rationalisation

If √7=2.646 t...

Question

If $\sqrt{7} = 2.646$ then $\frac{1}{\sqrt{7}}$ = ?

(a) 0.375

(b) 0.378

(c) 0.441

(d) None of these

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\sqrt{7} = 2.646 then \frac{1}{\sqrt{7}}

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