8 is quardratic residue of 11. A. True B. False This question

8-is-quardratic-residue-of-11-a-true-b-false-this-question

8 is quardratic residue of 11.

A. True

B. False

This question was posed to me during an internship interview.

My enquiry is from Number Theory in division Number Theory and Cryptography of Discrete Mathematics

Correct answer is B. False

Best explanation: Since x^2 ≡ 8(mod)17 has no solutions.