A sequence of numbers is defined, for n 1, by the recurrence relation u n+1 =
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A sequence of numbers is defined, for n ≽ 1, by the recurrence relation un+1 = kun – 4, where k is a constant. Given that u1 = 2:
a. Find expressions, in terms of k, for u2 and u3.
b. Given also that u3 = 26, use algebra to find the possible values of k.
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Related Book For
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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