My name is John Lau and I am a student at Piedmont Middle. I am in 8th
Find all positive integers n so that n2 - 2 is a multiple of n - 4.Hi John,
Here is a hint:
if and only if
n3 -2 -n2(n-4) is a multiple of n-4.
So the question is to find out for what n
4n2-2 is a multiple of n-4.
Proceed in a similar way.