Complete factorisation with special identities
Complete factorisation with special identities
Secondary 2
3 marks
TGM Original Questions
Factorise completely \(9p^4-81q^4\).[3]
Solution:
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Answer:\(9 \left(p^{2} - 3 q^{2}\right) \left(p^{2} + 3 q^{2}\right)\)
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