Find the sum of the series 101 + 99 + 97 + 95 + …. + 43.
To Find: The sum of the given series.
Sum of the series is given by
Where n is the number of terms , a is the first term and l is the last term
Here a = 101, l = 43 ,n = 30
= 15 × 144 = 2160
The sum of the series is 2160.