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If A= [ array ccc 1 & 0 & 0 2 & 1 & 0 -3 & 2 & 1 array ] and B= [ array ccc 1 & 0 & 0 -2 & 1 & 0 7 & -2 & 1 array ] then A B equals

Options

  1. AI
  2. BA
  3. CB
  4. D0

Correct answer

A. I

Step-by-step solution

aligned & A= [ array ccc 1 & 0 & 0 2 & 1 & 0 -3 & 2 & 1 array ], B= [ array ccc 1 & 0 & 0 -2 & 1 & 0 7 & -2 & 1 array ] & A B= [ array lll 1 & 0 & 0 0 & 1 & 0 0 & 0 & 1 array ]=I aligned

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