The sum of the first 20 terms of the series \(5 + 11 + 19) (+ 29 + 41 + ....... is - Math Practice Question | divineJEE

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The sum of the first 20 terms of the series \(5 + 11 + 19) (+ 29 + 41 + ....... is

3450

3420

3520

3250

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