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The sum of the first 20 terms of the series \(5+11+19+29\) \(+41+\ldots\) is [JEE Main 2023, 6 Apr (Shift 1)]

Q1

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

[JEE Main 2023, 6 Apr (Shift 1)]

a

3450

b

3250

c

3420

d

3520

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