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Old 2017-05-29, 08:02   #3
xilman
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"π’‰Ίπ’ŒŒπ’‡·π’†·π’€­"
May 2003
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Quote:
Originally Posted by axn View Post
x+k*f(x) == x (mod f(x))

==> f(x+k*f(x)) == f(x) (mod f(x)). QED

Looks like a trivial result.
Except at roots of f(x).
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