Establish the following assertion: (5/p)=1 if and only if p=1, 9, 11, or 19(mod 20)
Follow Math Help Forum on Facebook and Google+
Originally Posted by cathwelch Establish the following assertion: (5/p)=1 if and only if p=1, 9, 11, or 19(mod 20) Therefore Therefore However, p is odd, therefore
thanks, but did you use some sort of property or theorem
Never mind, I see that you used the Quadratic Reciprocity Law
View Tag Cloud