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12th Standard English Medium Business Maths Subject Applications of Matrices and Determinants Creative 2 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Business Maths

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 2 = 10
  1. Find the rank of the matrix \(\left[ \begin{matrix} 7 & -1 \\ 2 & 1 \end{matrix} \right] \)

  2. Find the rank of the matrix \(\left( \begin{matrix} 2 & -4 \\ -1 & 2 \end{matrix} \right) \)

  3. Solve x + 2y = 3 and x +y = 2 using Cramer's rule.

  4. Solve: x + 2y = 3 and 2x + 4y = 6 using rank method.

  5. Show that the equations x + y + z = 6, x + 2y + 3z = 14 and x + 4y + 7z = 30 are consistent

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