Ex 12.2, 2 (ii) - Chapter 12 Class 8 Factorisation

Last updated at July 18, 2026 by

Ex 12.2, 2 (ii) - Factorise 63^a2 - 112b^2 - Ex 12.2 - Ex 12.2

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Ex 12.2, 2 Factorise. (ii) 63š‘Ž^2 ā€“ 112š‘^263š‘Ž^2 ā€“ 112š‘^2 = (7 Ɨ 9)š‘Ž^2āˆ’ (7 Ɨ 16)š‘^2 Taking 7 common, = 7 (9š‘Ž^2āˆ’16b^2) = 7 ((šŸ‘š’‚^šŸ )āˆ’(šŸ’š’ƒ)^šŸ ) Using š’™^šŸāˆ’š’š^šŸ=(š‘„+š‘¦)(š‘„āˆ’š‘¦) Here š‘„=3š‘Ž and š‘¦=4š‘ = 7 (šŸ‘š’‚+šŸ’š’ƒ) (šŸ‘š’‚āˆ’šŸ’š’ƒ)

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