Question: True or Flase, Give examples or counterexamples: Let A, B be n x n matrices. If 3.A(B' ) is not invertible, then at least one

True or Flase, Give examples or counterexamples:

True or Flase, Give examples or counterexamples:
"Let A, B be n x n matrices. If 3.A(B' ) is not invertible, then at least one of A or B is not invertible."

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