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secondary 4 | A Maths
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I redo later on a separate piece of paper when I return
I wrote part a as -1/100 (x - 5)^2 + 1/4 correctly.
And I actually wrote -1/100 (x - 5)^2 + 4 in the second part.
I redo everything for you later.
Lower area 5/3
Thank you sir