factorise the following expression
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I hope this will help u
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asvigupta70:
you have to factorise it but you solve its sorry its can't help me
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Q. Factorisation »
a² + 2ab + b² - 16
= (a + b)² - (4)²
= [ (a + b) + 4 ] [ (a + b) - 4 ]
= ( a + b + 4 ) ( a + b - 4 )
Answer » (a + b + 4) (a + b - 4)
Identities Used »
1. a² + 2ab + b² = (a + b)²
2. a² + b² = (a + b) (a - b)
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