Guest Session: 1 Question Remaining. Create Account to save progress.
Login
Modular Arithmeticmedium
0:00.0

Evaluate the sum of the residues of x2(mod5)x^2 \pmod{5}x2(mod5) for x∈{0,1,2,3,4}x \in \{0, 1, 2, 3, 4\}x∈{0,1,2,3,4}.