How to create a formula for sum of arithmetic progretion
pankaj karn
Answers!
Davneet Singh
May 11, 2017, 6:51 p.m.
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?
Comment
Answer the question...
Davneet Singh
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?
Comment
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