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If (n+3)! =56xx(n+1)!, find the value of...

If `(n+3)! =56xx(n+1)!`, find the value of n.

Text Solution

Verified by Experts

The correct Answer is:
n = 5
`(n+3)(n+2)xx(n+1)! =8xx7xx (n+1)! rArr (n+3)(n+2)=8xx7 rArr n+2 =7rArr n =5.`
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