Questions

TRUE / FALSE

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13 questions · timed · auto-graded

Question 11 Mark
State,Whether the following statements is true or false.A, B and C are matrices of order 2 x 2.

(A – B)² = A² – 2A. B + B²

    Answer
    False.
    Laws of algebra for factorization and expansion are not applicable to matrices.
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    Question 21 Mark
    State,Whether the following statements is true or false.A, B and C are matrices of order 2 x 2.

    A² – B² = (A + B) (A – B)

      Answer
      False.
      Laws of algebra for factorization and expansion are not applicable to matrices.
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      Question 31 Mark
      State,Whether the following statements is true or false.A, B and C are matrices of order 2 x 2.

      (A – B). C = A. C – B. C

      Answer
      True.
      Multiplication of matrices is distributive over subtraction.
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      Question 41 Mark
      State,Whether the following statements is true or false.A, B and C are matrices of order 2 x 2.

      A. (B - C) = A. B - A. C

        Answer
        True.
        Multiplication of matrices is distributive over subtraction.
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        Question 51 Mark
        State,Whether the following statements is true or false.A, B and C are matrices of order 2 x 2.

        (A + B). C = A. C + B. C

        Answer
        True.
        Multiplication of matrices is distributive over addition.
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        Question 61 Mark
        State,Whether the following statements is true or false.A, B and C are matrices of order 2 x 2.

        (B. C). A = B. (C. A)

        Answer
        True.
        Multiplication of matrices is associative.
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        Question 71 Mark
        State,Whether the following statements is true or false.A, B and C are matrices of order 2 x 2.

        A – B = B – A

        Answer
        False.
        Subtraction of matrices is commutative.
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        Question 81 Mark
        State,Whether the following statements is true or false.A, B and C are matrices of order 2 x 2

        A + B = B + A

          Answer
          True.
          Addition of matrices is commutative.
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          Question 91 Mark
          State,Whether the following statements is true or false.if false, give a reason
          A column matrix has many columns and one row.
          Answer
          False

          A column matrix has only one column and many rows.

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          Question 101 Mark
          State,Whether the following statements is true or false.if false, give a reason
          Transpose of a square matrix is a square matrix.
          Answer
          True
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          Question 111 Mark
          State,Whether the following statements is true or false.if false, give a reason
          Transpose of a 2 × 1 matrix is a 2 × 1 matrix.
          Answer
          False

          Transpose of a 2 1 matrix is a 1 2 matrix.

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          Question 121 Mark
          State,Whether the following statements is true or false.if false, give a reason
          The matrices $A_{2 \times 3}$​​​​​​​ and $B_{2 \times 3} $are conformable for subtraction.
          Answer
          True
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          Question 131 Mark
          State,Whether the following statements is true or false.if false, give a reason
          If A and B are two matrices of orders 3 × 2 and 2 × 3 respectively; then their sum A + B is possible.
          Answer
          False

          The sum A + B is possible when the order of both the matrices A and B are same.

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          TRUE / FALSE - Mathematics STD 10 Questions - Vidyadip