kirihb2009 kirihb2009
  • 10-11-2020
  • Mathematics
contestada

1 3 6 10 15 21 and so on are what numbers​

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Shivalikpatel Shivalikpatel
  • 10-11-2020
... 28 36 45
These are triangular numbers formed by adding the numbers. This is called the triangular number sequence.
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