UGC NET
Ayushi Asked a Question
August 24, 2020 12:22 pmpts 30 pts
  • UGC NET
  • Economics

104. if a and b are two matrices such that ab = a and ba b, then b is equal to 316i a tt b g ab = a a ba = b, a b pt (1) b (2) a (3) 1 (4) 0

104. If A and B are two matrices such that AB = A and BA B, then B is equal to 316i A TT B g AB = A a BA = B, a B PT (1) B (2) A (3) 1 (4) 0
  • 1 Answer(s)
Answer Now
  • 0 Likes
  • 1 Comments
  • Shares
  • Nidhi taparia Best Answer
    The correct answer is (3). Please refer to the image for calculations.
    • cropped59177816004417501.jpg
    Likes(0) Reply(2)
    Ayushi
    and in the same condition if question is A Square equals to what? then the answer will be same or altered?