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Let A and B be two 3 3 matrices such that A B=B A and A^2-5 A B+4 B^2=0 , where 0 is the zero matrix. Then

Options

  1. AA=B or A=4 B
  2. BA-B is singular
  3. CA-4 B is singular
  4. DA and B are nonsingular if any one of A-B or A-4 B is nonsingular

Correct answer

D. A and B are nonsingular if any one of A-B or A-4 B is nonsingular

Step-by-step solution

No solution available.

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