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Factorisation Using Algebraic Identities

Factorise: 12...

Question

Factorise:
$121 a^{2} - 88 a b + 16 b^{2}$

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Solution

$121 a^{2} - 88 a b + 16 b^{2} = (11 a)^{2} - 2 \times 11 a \times 4 b + 4 (b)^{2} (11 a - 4 b)^{2}$

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Factorisation Using Algebraic Identities

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