A sequence is given by where p is an integer. a. Show that x 3 = 10p

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A sequence is given by

where p is an integer.

a. Show that x3 = −10p2 + 132p − 432.

b. Given that x3 = −288 find the value of p.

c. Hence find the value of x4.

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

ISBN: 9781292183404

1st Edition

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

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