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Ex 9.5, 1 - Chapter 9 Class 8 Algebraic Expressions and Identities - Part 4

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Ex 9.5, 1 Use a suitable identity to get each of the following products. (iv) (3π‘Žβˆ’1/2)(3π‘Žβˆ’1/2) (3π‘Žβˆ’1/2)(3π‘Žβˆ’1/2) = (3π‘Žβˆ’1/2)^2 = (3π‘Ž)^2+(1/2)^2βˆ’2(3π‘Ž) (1/2) = (3^2Γ—π‘Ž^2 )+1/(2)^2 βˆ’3π‘Ž = πŸ—π’‚^𝟐+ 𝟏/πŸ’ βˆ’πŸ‘π’‚

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.