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प्रश्न
Factorise: `9x^2 - 1/16`
योग
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उत्तर
`9x^2 - 1/16`
= `(3x)^2 - (1/4)^2`
= `(3x + 1/4)(3x - 1/4)`
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Factorisation by Difference of Two Squares
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