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प्रश्न
Rationalise the denominator of the following:
`1/sqrt7`
बेरीज
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उत्तर
The given number is `1/sqrt7`
On rationalising the denominator
⇒ `1/sqrt7 = 1/sqrt7 xx sqrt7/sqrt7`
∴ `1/sqrt7 = sqrt7/7`
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