Ex 1.4, 2 (iv) - Chapter 1 Class 9 Number Systems

Last updated at August 14, 2026 by

Ex 1.4, 2 (iv) Class 9 - Simplify (√5 - √2) (√5 + √2) - [with Video] - Ex 1.4

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Ex1.5, 2 Simplify each of the following expressions: (iv) ( 5 2) ( 5 + 2) ( 5 2) ( 5 + 2) We know that, (a + b) (a-b) = a2 b2 Putting a = 5, b = 2 = ( 5)2 ( 2)2 = 5 2 = 3

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