JEE Mains 29-July-2022 Shift 2 Solved Paper

Section: Mathematics

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Question : 7 of 90

Marks: +1, -0

20

∑

r=1

(r2+1)(r!) is equal to

[29-Jul-2022-Shift-2]

22!−21 !
22!−2(21!)
21!−2(20!)
21!−20 !

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