Mathematics, 21.08.2019 13:30 Tsumiki
Prove that x^n-y^n divisible by x-y for all natural numbers x, y (x! =y),and n.
Answers: 1
, 
is obviously divisible by 
, then 
. Since 
is divisible by 
, we have 
such that 
hence 
.
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Prove that x^n-y^n divisible by x-y for all natural numbers x, y (x! =y),and n....
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