Edexcel A-level Mathematics · 9MA0
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Calculator permitted. Show sufficient working in the spaces provided. Give inexact answers to 3 significant figures unless specified otherwise. The official exam provides a formulae and statistical tables booklet.
Original topic practice. This set is not a full official paper. Written work is self-reviewed against our worked solutions.
For , the curve touches the x-axis at a point with positive x-coordinate. Find a and the point of contact. Explain why a is unique.
(7)
(Total for Question 1 is 7 marks)