Problem no.3- For a positive integer n, find the number of solutions of the congruence x
2 ≡ 1 (mod n).
Let us help one another preparing for BdMO national 2013
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Re: Let us help one another preparing for BdMO national 2013
What does the portion in red mean???Shadmanmajid wrote:Problem no.3- For a positive integer n, find the number of solutions of the congruence x
2 ≡ 1 (mod n).
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Re: Let us help one another preparing for BdMO national 2013
where is the $x$ ??Shadmanmajid wrote:Problem no.3- For a positive integer n, find the number of solutions of the congruence x
2 ≡ 1 (mod n).
\[\sum_{k=0}^{n-1}e^{\frac{2 \pi i k}{n}}=0\]
Using $L^AT_EX$ and following the rules of the forum are very easy but really important, too.Please co-operate.
Using $L^AT_EX$ and following the rules of the forum are very easy but really important, too.Please co-operate.