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How do you work out triangular numbers? - Answers

The triangular numbers are 1, 3, 6, 10, 15, ... and are calculated as: t1 = 1 t2 = 1 + 2 t3 = 1 + 2 + 3 tn = 1 + 2 + ... + n The formula for the sum tn = 1 + 2 + ... + n is: tn = n(n+1)/2



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How do you work out triangular numbers? - Answers

https://math.answers.com/other-math/How_do_you_work_out_triangular_numbers

The triangular numbers are 1, 3, 6, 10, 15, ... and are calculated as: t1 = 1 t2 = 1 + 2 t3 = 1 + 2 + 3 tn = 1 + 2 + ... + n The formula for the sum tn = 1 + 2 + ... + n is: tn = n(n+1)/2



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https://math.answers.com/other-math/How_do_you_work_out_triangular_numbers

How do you work out triangular numbers? - Answers

The triangular numbers are 1, 3, 6, 10, 15, ... and are calculated as: t1 = 1 t2 = 1 + 2 t3 = 1 + 2 + 3 tn = 1 + 2 + ... + n The formula for the sum tn = 1 + 2 + ... + n is: tn = n(n+1)/2

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      The triangular numbers are 1, 3, 6, 10, 15, ... and are calculated as: t1 = 1 t2 = 1 + 2 t3 = 1 + 2 + 3 tn = 1 + 2 + ... + n The formula for the sum tn = 1 + 2 + ... + n is: tn = n(n+1)/2

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