12th Class Mathematics Determinants

  • question_answer 1)
    If  find |A|,  

    Answer:

          Expanding along R1, we get             Expanding along R1, we get             = (?9 + 12) ? (?18 + 15) ? 2 (8 ? 5)       = 3 ? (?3) ? 2 (3) = 3 + 3 ? 6 = 0  


You need to login to perform this action.
You will be redirected in 3 sec spinner