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)e5x = 1 has a root between x = 0 and x = −0.2.
b. Show, by sketching the graph of y = e5x and one other suitable graph, that this is the only root of this equation.
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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
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Related Book For
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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