A sequence of terms is defined for n 1 by the recurrence relation un 1 ku n 2, where k is a constant Given that u 1 3, a Find an expression in terms of k for u 2 b Hence find an expression for u 3 Given that u 3 42 c Find the possible values of k ...

Given the recurrence relation un 1 kun 2 and u1 3 a Using the recurrence relation we can calculate ...

A sequence of terms is defined for n 1 by the recurrence relation un + 1

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A sequence of terms is defined for n ≥ 1 by the recurrence relation un + 1 = ku_n + 2, where k is a constant. Given that u₁ = 3,

a. Find an expression in terms of k for u₂

b. Hence find an expression for u₃ Given that u₃ = 42:

c. Find the possible values of k.

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

ISBN: 9781292183404

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

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A sequence of terms is defined for n 1 by the recurrence relation un + 1

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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