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प्रश्न
Rationalise the denominator of the following:
`1/sqrt7`
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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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संबंधित प्रश्न
Classify the following numbers as rational or irrational:
`2-sqrt5`
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`(sqrt(10) - sqrt(5))/2`
