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Let S denote the sum of the infinite ser...

Let S denote the sum of the infinite series
`1+(8)/(2!)+(21)/(3!)+(40)/(4!)+(65)/(5!)` + ….. Then

A

`S lt 8`

B

`S gt 12`

C

`8 lt S lt 12`

D

`S=8`

Text Solution

Verified by Experts

The correct Answer is:
C
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