Mathematics (AS & A Level) · Oct / Nov 2018 · Paper 22 · Question 5
9709
As printed in the paper
The question as text
The curve with equation y = 5e2x −8x2 −20 crosses the x-axis at only one point. This point has coordinates p, 0 . 1 2
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Show the answer and mark scheme
5(i)[2]
5(ii)[2]
5(iii)[3]
5(iv)[3]
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