can you help me

sara15

New member
Joined
Feb 4, 2011
Messages
13
can you help me to understand this theorem :
for any positive integer m ,
sum (a^m) is equal to -1 if (q-1)|m and 0 otherwise .The sum is over a belongs to Fq
I would appreciate your helpsara15
New Member
 
Sara, you stated in another post:
"I want a simple explanation, because did not study the principles of algebra"

So why are you asking for "classroom" help here? We don't teach here.
 
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