2026 IGCSE Additional Mathematics February/March 0606/12 Q11

2026 IGCSE Additional Mathematics February/March 0606/12 Q11

6 marks

A curve has equation \(y=-x^2+3ax-2a^2\) where \(a\) is a positive constant.

The area of the region enclosed by the curve and the \(x\)-axis is \(\dfrac9{16}\).

Find the value of \(a\).[6]

Solution:

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Answer:\(a=\dfrac32\)

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