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Factorisation Using Algebraic Identities

Factorise: 1+...

Question

Factorise:
$1 + 2 x + x^{2}$

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Solution

$1 + 2 x + x^{2} = (1)^{2} + 2 \times 1 \times x + (x)^{2} = (1 + x)^{2} A n s .$

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