Chapter 1

NCERT
Class 9
Mathematics
Solutions
5. Rationalise the denominators each of the following :

Question:

Rationalise the denominators each of the following :

1. 1/√7

Answer:

1/√7

Multiplying numerator and denominator by √7

∴ 1/√7 =1/√7 × √7/√7 = √7/7

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