Sequences and Series Part 3

Section: Mathematics

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Question : 22 of 93

Marks: +1, -0

If the sum of the first 20 terms of the series ‌

4⋅1

4+3⋅12+14

+‌

4⋅2

4+3⋅22+24

+‌

4⋅3

4+3⋅32+34

+‌

4⋅4

4+3⋅42+44

+... is ‌

m

n

, where m and n are coprime, then m+n is equal to :

[4 Apr 2025 Shift 2]

420
423
421
422

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