algebrA

using differences to identify patterns
7;22;43;70;103;
2,36,81,144,2

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asked by Angel
  1. What is the distinction between the numbers separated by semicolons and the numbers separated by commas?

    Is the last number really 2?

    In the first series, the difference between numbers keeps increasing by 6. The next number should be 103 + 39 = 142

    The last series makes more sense as
    9,36,81,144,225
    (3^2, 6^2, 9^2, 12^2, 15^2)

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    posted by drwls

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