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Perfect square recognition and scaling
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Perfect square recognition and scaling
Secondary 2
TGM Original Questions
Factorise \(36x^2-4y(12x-4y)\) completely.
Given \((a-b)^2=28\), find exactly \((\frac23b-\frac23a)^2\).
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Answer:
(a) \(4(3x-2y)^2\); (b) \(\frac{112}{9}\).
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