Question 4 (i) - Algebra Identities and Formulas - Chapter 8 Class 8 Algebraic Expressions and Identities

Last updated at July 14, 2026 by

Ex 9.5, 4 - Simplify (i) (a^2 - b^2)^2 (ii) (2x + 5)^2 - (2x - 5)^2

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Question 4 Simplify. (i) (š‘Ž^2āˆ’š‘^2 )^2 (š‘Ž^2āˆ’š‘^2 )^2 (š‘„āˆ’š‘¦)^2=š‘„^2+š‘¦^2āˆ’2š‘„š‘¦ Putting š‘„ = š‘Ž^2 & š‘¦ = š‘^2 = (š‘Ž^2 )^2+(š‘^2 )^2āˆ’2(š‘Ž^2 )(š‘^2 ) = š‘Ž^(2 Ɨ 2)+š‘^(2 Ɨ 2)āˆ’2š‘Ž^2 š‘^2 = š’‚^šŸ’+š’ƒ^šŸ’āˆ’šŸš’‚^šŸ š’ƒ^šŸ

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