math

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What is the connection between the square numbers and triangular numbers
in arrays as shown below with a line drawn to show the array as 3/6?
...
...
...
and
....
....
....
....
array shows 6/10?

  • math -

    if n is a natural number
    then
    n^2 generates the square numbers
    (n^2 + n)/2 generates the triangular numbers

    Does that help?

  • math -

    810

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