Question

simplifique 3!×(n+3)! ÷
(n+2)!

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Answer 1

3!×(n+3)!/(n+2)!

= 3!×(n+3).(n-2)!/(n-2)!

= 3! × (n+3)

= 3×2×1 × (n+3)

= 6(n+3)

= 6n + 18