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Rationalise the denominators of the following - Mathematics

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Sum

Rationalise the denominator of the following :-

`1/sqrt7`

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Solution

`1/sqrt7`

`1/sqrt7 = 1/sqrt7xxsqrt7/sqrt7 = sqrt7/7"      | Multiplying and dividing by "sqrt7`

Concept: Operations on Real Numbers
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APPEARS IN

NCERT Class 9 Maths
Chapter 1 Number Systems
Exercise 1.5 | Q 5.1 | Page 24

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