I'm having a little trouble proving the following:
If
then
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I'm having a little trouble proving the following:
If
then
Название |
---|
Here's what I came up with:
So we want to show that
.
The left hand side obviously simplifies to d.
On the right hand side we get:
. The c·m·b vanishes, because of the modulo. And since d < m, d·b mod (m·b) = d·b. So it simplifies to
too, which completes the proof.
Hope that helps :)