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The sum to n terms of the series [1. (1!...

The sum to n terms of the series `[1. (1!)+2. (2!)+ 3.(3!)+…]` is-

A

`(n-1) !-1`

B

`(n-1)!+1`

C

`(n+1) !-1`

D

`(n+1) !-1`

Text Solution

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The correct Answer is:
D
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 4
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