Ex 1.4, 5 (i) - Chapter 1 Class 9 Number Systems (Important Question)

Last updated at August 5, 2026 by

Ex 1.4, 5 (i) Class 9 - Rationalise the denominator of 1/√7 [Video] - Ex 1.4

 

 

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Ex1.5, 5 Rationalize the denominators of the following: (i) 1/√7 We need to rationalize i.e. remove root from denominator Hence multiplying and dividing by √7 1/√7 = 1/√7 ×√7/√7 = √7/(√7)2 = √7/7

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