12th Class Mathematics What Can You Become

  • question_answer 5)
    Construct a 3 × 4 matrix, whose elements are given by       (i)                  (ii)  

    Answer:

    A 3 × 4 matrix can be given as,       (i)                                                                                                                                             (ii)   aij = 2i ? j       a11 = 2 ? 1 = 1; a12 = 2 ? 2 = 0;       a13 = 2 ? 3 = 1; a14 = 2 ? 4 = ?2;       a21 = 4 ? 1 = 3; a22 = 4 ? 2 = 2;       a23 = 4 ? 3 = 1; a24 = 4 ? 4 = 0;       a31 = 6 ? 1 = 5; a32 = 6 ? 2 = 4;       a33 = 6 ? 3 = 3; a34 = 6 ? 4 = 2;        


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