JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

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Application +4 | -1

1 \cdot 1 !+2 \cdot 2 !+3 \cdot 3 !+\ldots+n \cdot n !=

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Correct option: B

(n+1) !-1

Option B (

(n+1)! - 1

) is correct because the series can be simplified by expressing each term as a difference of factorials.

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