a. Show, by calculation, that (x + 2)e 5x = 1 has a root between x =

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a. Show, by calculation, that (x + 2)e^5x = 1 has a root between x = 0 and x = −0.2.

b. Show, by sketching the graph of y = e^5x and one other suitable graph, that this is the only root of this equation.

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Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook

ISBN: 9781108407199

1st Edition

Authors: Sue Pemberton, Julianne Hughes, Julian Gilbey

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Question Posted: Mar 24, 2023 02:02 AM

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a. Show, by calculation, that (x + 2)e 5x = 1 has a root between x =

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a We can use the intermediate value theorem to show that x 2e5x 1 has a root between x 0 and x ...View the full answer

Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook

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