Let $p$ be an odd prime $p > 3$. What is $\dfrac{-2}{p}$?
I need some help with this problem
elementary-number-theory
asked 2012-11-28
user id:51061
1
11bronze badges
6
If this is from an assignment, probably $(2/p)$ was already done in class, and you know about $(-1/p)$. You can combine these two pieces of knowledge to get to $(-2/p)$. – 2012-11-28