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secondary 3 | A Maths
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Date Posted: 3 years ago
Views: 167
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Y=-(x-2) ^2-2
(x-2)^2>=0, SO Y<=-2
Similarly, (1/2 X - k) ^2>=0
Key knowledge X*X>=0
(x-2)^2>=0, SO Y<=-2
Similarly, (1/2 X - k) ^2>=0
Key knowledge X*X>=0
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