Given that the geometric series 1 2x 4x 2 8x 3 is convergent, a Find the range of possible values of x b Find an expression for S in terms of x ...

Given that the geometric series 1 2x + 4x 2 8x 3 + is convergent,

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Given that the geometric series 1 − 2x + 4x² − 8x³ +… is convergent,
a. Find the range of possible values of x.
b. Find an expression for S_∞ in terms of x.

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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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Question Posted: Aug 07, 2023 02:50 AM

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Given that the geometric series 1 2x + 4x 2 8x 3 + is convergent,

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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