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Factorisation of Polynomials — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsFactorisation of Polynomials1 Mark
Question
Factorise: $2x + 4y - 8xy - 1$
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Answer

$2x + 4y - 8xy - 1 = 2x - 1 - 8xy + 4y = (2x - 1) - 4y(2x - 1) = (2x - 1)(1 - 4y)$

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