JEE Main 2022 · 30 Jul · Shift 2 · Mathematics Q68 · Dronacharya Exams

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MathematicsSingle correct+4 / -1Question 68 of 90

$2\displaystyle\sum_{n=2}^\infty\frac{n(2n^2+3)}{(n+1)!}$ is equal to

A

2 (e + 7)

B

2e + 1

C

2e + 9

D

2 (e + 1)

Answer and worked solution

Official answer: C

No worked solution for this one yet.

Topics:Special series sums

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