Antima Jangid posted an Question
January 03, 2022 • 11:28 am 30 points
  • IIT JAM
  • Mathematics (MA)

20. let a, b be n xn matrices such that ba+b* =i- ba* where i is the nxn identity matrix. which of the following is always true? (a) a is nonsingular (c) a+b is

20. Let A, B be n xn matrices such that BA+B* =I- BA* where I is the nxn identity matrix. Which of the following is always true? (a) A is nonsingular (c) A+B is nonsingular (b) B is nonsingular (d) AB is nonsingular (Net Dec. 2014)

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