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Factorise the following expressions 121b^2 –88bc+16c^2

Factorise the following expressions
121b^2 –88bc+16c^2

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

121b^2-88bc+16c^2
= (11b)^2-2×11b×4c+(4c)^2
= (11b-4c)^2
Using identity:(x-y)^2= x^2-2xy+y^2

Thanks

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