Bryan Lim Choon Kiat's answer to tracy's Secondary 4 A Maths question.

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Bryan Lim Choon Kiat
Bryan Lim Choon Kiat's answer
12 answers (Tutor Details)
1st
As dy/dx is a quadratic curve, it is possible to sketch the "U-shape" property to diagrammatically figure out which parts are below the x-axis.
tracy
Tracy
6 years ago
thank you :)