# Rationalise the denominators of the following - Mathematics

Sum

Rationalise the denominator of the following :-

1/sqrt7

#### 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