robin37 robin37
  • 07-06-2018
  • Mathematics
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Find the common difference of the arithmetic sequence ?

Find the common difference of the arithmetic sequence class=

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altavistard
altavistard altavistard
  • 07-06-2018
Think:  25 less what number is 18?
             18 less what number is 11?
              11 less what number is 4?

Note that "less" indicates "negative" or "subtraction."
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