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Mathematics 13 Online
geerky42 (geerky42):

Simplify \( \Large \dfrac{(x+1)! - (x-1)!}{(x-1)!} \).

geerky42 (geerky42):

@AccessDenied

jimthompson5910 (jim_thompson5910):

Hint: (x+1)! - (x-1)! (x+1)(x)(x-1)! - (x-1)! (x-1)![x(x+1) - 1]

geerky42 (geerky42):

Thanks.

jimthompson5910 (jim_thompson5910):

np

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