Hi Pankaj Formula for Sum of AP is Sn = n/2 (2a + (n - 1)d) Sn = n/2 (a + l) where l is the last term Do you want to derive the formula as well?

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How to create a formula for sum of arithmetic progretion

Davneet Singh

Hi Pankaj

Formula for Sum of AP is

S_n = n/2 (2a + (n - 1)d)

S_n = n/2 (a + l)

where l is the last term

Do you want to derive the formula as well?

Written on May 11, 2017, 6:51 p.m.

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Class 6