profile-img
Vijay posted an Question
July 20, 2022 • 01:44 am 30 points
  • CSIR NET
  • Mathematical Sciences

For real symmetric matrices a and b, which of the following is true? (a) ab is a symmetric matrix (b) ab=ba (c) all eigenvalues of ab are real ab = ba (d) ab is

For real symmetric matrices A and B, which of the following is true? (a) AB is a symmetric matrix (b) AB=BA (c) All eigenvalues of AB are real AB = BA (d) AB is invertible if either A is invertible or B is invertible

1 Answer(s) Answer Now
  • 0 Likes
  • 1 Comments
  • 0 Shares
  • Anonymous User Best Answer

    If A And B are symmetric metrix then AB is symmetric iff AB=BA All eigen value of symmetric metrix are real So options c

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