Series (Natural Numbers)

Addition of Natural numbers.

• (1 + 2 + 3 + 4 + ..... + n) =n(n + 1) / 2

Addition of Square of Natural numbers.

• (1² + 2² + 3² + 4² + ..... + n²) = n(n + 1)(2 * n + 1) / 6

Addition of Cube of Natural numbers.

• (1³ + 2³ + 3³ + 4³ + ..... + n³) = n²(n + 1)² / 4

Posted in: Numerical Operations,Series Formulae