Question: (a) Solve the congruence 3.11:2 + x + 8 E 0 (mod 11). (b) Prove that if p is a prime such that p E

(a) Solve the congruence 3.11:2 + x + 8 E 0 (mod 11). (b) Prove that if p is a prime such that p E 3 (mod 8), and (p 1) / 2 is also prime, then (p 1)/ 2 is a quadratic residue of p

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