Mathematics (AS & A Level) · May / June 2018 · Paper 21 · Question 2
9709
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ln x ln y O 2.2, 4.908 5.9, 11.008 The variables x and y satisfy the equation y = A × Bln x, where A and B are constants. The graph of ln y against ln x is a straight line passing through the points 2.2, 4.908 and 5.9, 11.008 , as shown in the diagram. Find the values of A and B correct to 2 significant figures. [5]
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