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11th Standard English Medium Business Maths Subject Matrices and Determinants Book Back 2 Mark Questions with Solution Part - II

11th Standard

    Reg.No. :
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Business Maths

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10
  1. Find the inverse of each of the following matrices.\(\left[\begin{array}{rr} 1 & -1 \\ 2 & 3 \end{array}\right]\)

  2. Evaluate: \(\left| \begin{matrix} 1 & 2 & 4 \\ -1 & 3 & 0 \\ 4 & 1 & 0 \end{matrix} \right| \)

  3. Evaluate:\(\left| \begin{matrix} x & x+1 \\ x-1 & x \end{matrix} \right| \)

  4. Evaluate\(\left| \begin{matrix} 1 & 3 & 4 \\ 102 & 18 & 36 \\ 17 & 3 & 6 \end{matrix} \right| \)

  5. Show that \(\left[ \begin{matrix} 8 & 2 \\ 4 & 3 \end{matrix} \right] \)is non – singular.

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