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4y²-4y+1, Factorise it using appropriate identities. |
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Answer» SOLUTION : Given Quadratic EXPRESSION is 4y² - 4y + 1 = ( 2y )² - 2 × 2y × 1 + 1² = ( 2y - 1 )² [ By algebraic IDENTITY, a² - 2ab + b² = ( a - b )² ] = ( 2y - 1 )( 2y - 1 ) •••• |
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