0606 P13 - Jun 2017 - Q5 - 7 marks
8573
The normal to the curve
\(y=\sqrt{4x+9},\)
at the point where \(x=4\), meets the \(x\)- and \(y\)-axes at the points \(A\) and \(B\). Find the coordinates of the midpoint of the line \(AB\).
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