Seema posted an Question
September 13, 2020 • 20:51 pm 30 points
  • CSIR NET
  • Mathematical Sciences

42 the number of quadratic non residues modulo 23 is (a) 10 (b) 22 (c) 11 (d) 2

plz solve this problem and suggested the book for this topic

1 Answer(s) Answer Now
  • 0 Likes
  • 6 Comments
  • 0 Shares
  • comment-profile-img>
    Piyush pachauri

    0, 1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18 These are quadratic residue mod 23. So non residues are 23-12 =11

    eduncle-logo-app

    Option C is correct

whatsapp-btn

Do You Want Better RANK in Your Exam?

Start Your Preparations with Eduncle’s FREE Study Material

  • Updated Syllabus, Paper Pattern & Full Exam Details
  • Sample Theory of Most Important Topic
  • Model Test Paper with Detailed Solutions
  • Last 5 Years Question Papers & Answers