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Ex 1.5,5 - Rationalize denominators (i) 1 / root 7 - Ex 1.5

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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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