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geerky42 (geerky42):
Simplify \( \Large \dfrac{(x+1)! - (x-1)!}{(x-1)!} \).
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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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