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It is T/2 * (t+1)

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14y ago

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Formula of triangular numbers?

The nth triangular number is 0.5*n*(n+1)


How Are Triangular And Cubed Numbers Linked?

The sum of the first n cubed numbers is the square of the nth triangular number.


What are the connection between triangular numbers and square numbers?

One relationship is that the sum of the nth and the previous triangular numbers is equal to the nth square number.That isT(n-1) + T(n) = S(n)where T(n) is the nth triangular number and S(n) is the nth square number.


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What is the formula for triangular numbers?

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The first 6 triangular numbers are?

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