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Consider two matrices $M_1$ and $M_2$ with $M_1^*M_2=0$ and $M_1$ is non singular. Then which of the following is true?

  1. $M_2$ is non singular
  2. $M_2$ is null matrix
  3. $M_2$ is the identity matrix
  4. $M_2$ is transpose of $M_1$
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answer option (B)

when we multiply any matrix with null matrix we always get null matrix
Answer:

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