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Rationalise the denomenator of the following 1/√7​

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=\frac{1}{\sqrt{7}} \ \text{ By multiplying both numerator and denominator by } \sqrt{7} \\ =\frac{1}{\sqrt{7}} \times \frac{\sqrt{7}}{\sqrt{7}} \\\\ =\frac{\sqrt{7}}{7}\\

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Ravindra Pindel

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