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4, 5, 9, 27, 123 how do i get the next term?

A)by adding 3 to the term number, then finding the factorial of the resultB)by finding the factorial of the term number, then adding 3 to the resultC)by adding 4 to the term number, then finding the factorial of the resultD)by finding the factorial of the term number, then adding 4 to the result
 

Respuesta :

WojtekR
term 1 → 1! = 1 + 3 = 4
term 2 → 2! = 1·2 = 2 + 3 = 5
term 3 → 3! = 1·2·3 = 6 + 3 = 9
term 4 → 4! = 1·2·3·4 = 24 + 3 = 27
term 5 → 5! = 1·2·3·4·5 = 120 + 3 = 123

So correct answer is B. "by finding the factorial of the term number, then adding 3 to the result", and next term is equal:

term 6 → 6! = 1·2·3·4·5·6 = 720 + 3 = 723

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