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    Maths-
    General
    Easy

    Question

    If A equals open square brackets table row cell 1 divided by 3 end cell 2 row 0 cell 2 x minus 3 end cell end table close square brackets comma B equals open square brackets table row 3 6 row 0 cell negative 1 end cell end table close square bracketsand A B equals I, then x =

    1. –1    
    2. 1    
    3. 0    
    4. 2    

    The correct answer is: 1

      vertical line a d j A vertical line
      (As given)
      left right double arrow 3 minus 2 x equals 1 or x equals 1.

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