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11th Standard English Medium Maths Subject Matrices and Determinants Creative 1 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 5

    1 Marks

    5 x 1 = 5
  1. If A(B + C) = AB + AC where A, B, C are matrices of the same order than the property applied is matrix multipication is _______ .

    (a)

    commutative

    (b)

    association

    (c)

    distributive over addition

    (d)

    distributive over multiplication

  2. The product of any matrix by the scalar_________is the null matrix.

    (a)

    1

    (b)

    0

    (c)

    I

    (d)

    matrix itself

  3. If A is a matrix 3 \(\times\) 3, then \({ { (A }^{ 2 }) }^{ -1 }\) =____________

    (a)

    \(\frac { 1 }{ { A }^{ 2 } } \)

    (b)

    A-2

    (c)

    \({ { (A }^{ -1 }) }^{ 2 }\)

    (d)

    I

  4. If \(\left( \begin{matrix} 2 & \lambda & -3 \\ 0 & 2 & 5 \\ 1 & 1 & 3 \end{matrix} \right) \) is a singular matrix, then \(\lambda \) is_____________

    (a)

    \(\lambda \)=2

    (b)

    \(\lambda \)≠2

    (c)

    \(\lambda =\frac { -8 }{ 5 } \)

    (d)

    \(\lambda \neq \frac { -8 }{ 5 } \)

  5. If \(\begin{bmatrix} 4 & 3 \\ -2 & x \end{bmatrix}\) is singular then the value of x is _____________

    (a)

    \(\frac{3}{2}\)

    (b)

    -\(\frac{3}{2}\)

    (c)

    3

    (d)

    -2

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