(a) Let p be an odd prime. If a, ß € Fp are nonsquares, then aß is a square. (b) If m € N with m ≥ 3, then the product o
Posted: Mon Jul 11, 2022 12:16 pm
(a) Let p be an odd prime. If a, ß € Fp are nonsquares, then aß is a square. (b) If m € N with m ≥ 3, then the product of the elements in (Z/mZ)× is congruent to -1 modulo m.