2025 AHS PRELIMS P1 Q8
2025 AHS PRELIMS P1 Q8
Secondary 4
6 marks
The equation of a curve is \(y=-\frac{5}{8}x+\frac{6}{x}\), where \(x>0\). Given that the gradient of the normal at point \(P\) is 1, find
- the coordinates of \(P\),[4]
- the equation of the normal at the curve at \(P\).[2]
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Answer:(a) \(P=(4,-1)\) (b) \(y=x-5\)
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