JEE Main 28 Jan 2025 Shift 2 Paper

Section: Mathematics

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Question : 19 of 75

Marks: +1, -0

For positive integers n, if 4an=(n2+5n+6) and sn=

n

∑

k=1

(‌

1

ak

), then the value of 507S2025 is:

[28 Jan 2025 Shift 2]

135
1350
675
540

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