Which numbers should come next in the series 1, 3, 6, 10, 15 ------
Which numbers should come next in the series 1, 3, 6, 10, 15 ------ Correct Answer 21
2n + 2n - 12n + 1 - 2n = 2n + 2n.122n.2 - 2n = 2.2n + 2n÷22n(2 - 1) = 3.2n2.2n = 32Which numbers should come next in the series 1, 3, 6, 10, 15 ------ Correct Answer 21
2n + 2n - 12n + 1 - 2n = 2n + 2n.122n.2 - 2n = 2.2n + 2n÷22n(2 - 1) = 3.2n2.2n = 32