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

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Question 1 Use a suitable identity to get each of the following products. (iv) (3𝑎−1/2)(3𝑎−1/2) (3𝑎−1/2)(3𝑎−1/2) = (3𝑎−1/2)^2 = (3𝑎)^2+(1/2)^2−2(3𝑎) (1/2) = (3^2×𝑎^2 )+1/(2)^2 −3𝑎 = 𝟗𝒂^𝟐+ 𝟏/𝟒 −𝟑𝒂

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