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JEE MATHEMATICS MCQ: PERMUTATIONS

1 Easy

1 of 1

Application +4 | -1

The value of

1.1! + 2.2! + 3.3! + ... + n.n!

is

View answer and explanation

Correct option: C

\left( {n + 1} \right)! - 1

Option C (

(n + 1)! - 1

) is correct because the given series can be rewritten and simplified using the properties of factorials.

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