2025 SST PRELIMS P1 Q5
2025 SST PRELIMS P1 Q5
Secondary 4
6 marks
The line \(4y = 5x - 6\) cuts the curve \(x + 4xy - 3y^2 = 7\) at the points \(P\) and \(Q\).
Find the length of the line \(PQ\) in the form \(a\sqrt{b}\), where \(a\) and \(b\) are integers.[6]
Solution:
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Answer:\(PQ=6\sqrt{41}\)
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