If a 1 , a 2 , a 3 , . . . is an arithmetic sequence,

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If a1, a2, a3, . . . is an arithmetic sequence, explain why 2a1 , 2a2 , 2a3 , . . . is a geometric sequence.

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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