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Factorise. 4p^2 –9q^2 ??????????????????????????????

Factorise. 
4p^2 –9q^2 ??????????????????????????????

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

4p^2–9q^2
= (2p)^2-(3q)^2
= (2p-3q)(2p+3q)
Using identity: x^2-y^2= (x+y)(x-y)

Thanks

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