Find the sum of odd integers from 1 to 2001.

Question

Philoid · Accepted Answer

given is an AP whose first term is 1 and d is 2

To find: the sum of odd integers from 1 to 2001

Now for the finding number of terms, the formula is

n = 1001

we know that the sum of AP is given by the formula:

substituting the values in the above equation

s = 1002001