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MHT CET2007MathematicsMatrices

If A= [ array cc ² & & ² array ] and B= [ array cc ² & & ² array ] are two matrices such that the product A B is null matrix, then - is

Options

  1. A0
  2. Bmultiple of
  3. Can odd multiple of / 2
  4. DNone of the above

Correct answer

A. 0

Step-by-step solution

Given, A B=O - is an odd multiple of / 2 .

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