Question

Is 3 a quadratic residue of 7? Justify.

Answer 1

HEY DUDE

HERE IS YOUR ANSWER★★★★★

On Wolfram's dictionary, it shows that the quadratic residues of 7 are 1,2,4. It shows that the quadratic residues of 5 are 1,4.

SO 3 IS NOT A QUADRATIC RESIDUE OF 7....★★★★★

★HOPE IS HELPS★