Find the sum of the series


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 $a=101, I=43, n=30$


= 15 × 144 = 2160

The sum of the series is 2160.


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