Question

The sum of first n odd natural numbers is

Answer 1

Answer:

1,3,5,7,9,11 then it's sum will be 6^2=36.

Answer 2

• If the number is starting from 1 then you can do simply n^2.
• For example: if n=6 like 1,3,5,7,9,11 then it's sum will be 6^2=36.
• But if odd number series not start from 1 then formula will be sn=n/2(2a+(n-1)d).