Ex 12.2, 1 (vi) - Chapter 12 Class 8 Factorisation

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Ex 12.2, 1 Factorise the following expressions. (vi) 121𝑏^2 – 88bc + 16𝑐^2121𝑏^2 – 88bc + 16𝑐^2 = (11𝑏)^2−88𝑏𝑐+(4𝑐)^2 = (𝟏𝟏𝒃)^𝟐−𝟐 × 𝟏𝟏𝒃 × 𝟒𝒄+(𝟒𝒄)^𝟐 = (11𝑏)^2+(4𝑐)^2−2 × 11𝑏 × 4𝑐 = 〖(𝟏𝟏𝒃−𝟒𝒄)〗^𝟐

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