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    which one is a geometric progression
    1. 1,2,3,4
    2. 1,2,4,7
    3. 1,2,4,8
    4. 1,2,3,5
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    (Original post by Moshah7)
    which one is a geometric progression
    1. 1,2,3,4
    2. 1,2,4,7
    3. 1,2,4,8
    4. 1,2,3,5
    Look at the definition of a geometric progression.

    Now test each of these to see which one satisfies this definition.
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    Which one has a common ratio (given by any term divided by the previous)?
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    Think of a geometric progression as an arithmetic sequence-what do you do from one number to get to the next that applied for all numbers in the pattern?
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Updated: February 19, 2018
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