a. On the same axes, sketch the graphs of y = ln x and y = e

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a. On the same axes, sketch the graphs of y = ln x and y = e^x − 4.

b. Write down the number of roots of the equation ln x = e^x− 4.

c. Show that the equation ln x = e^x − 4 has a root in the interval (1.4, 1.5).

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran

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a. On the same axes, sketch the graphs of y = ln x and y = e

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a c y e 4 y 0 X b2 ...View the full answer

Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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