2025 DSS PRELIMS P1 Q8
2025 DSS PRELIMS P1 Q8
Secondary 4
4 marks
The expression \(2x^3+ax^2+bx+10\), where \(a\) and \(b\) are constants, has a factor of \(x+2\) and leaves a remainder of 10 when divided by \(x-3\). Find the values of \(a\) and of \(b\).[4]
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Answer:\(a=-3\), \(b=-9\)
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