Mastering Scalar Multiplication and Matrix Matriculation
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Questions and Answers

Which one of these statements is true about scalar multiplication?

  • Scalar multiplication is denoted by PkP.
  • Scalar multiplication is denoted by k.
  • Scalar multiplication is denoted by Pk.
  • Scalar multiplication is denoted by kP. (correct)

    • Which one of these is the correct product of matrices X and Y?

  • XY = X - Y
  • XY = Z (correct)
  • XY = X * Y
  • XY = X + Y

    • Which one of these is the correct formula for calculating Z11 in the matrix product XY?

  • Z11 = x11y12 + x12y22
  • Z11 = x21y11 + x22y21
  • Z11 = x11y11 + x12y21 (correct)
  • Z11 = x21y12 + x21y22

    • Given the matrix A = [(3&-2@4&1@-5&2)], what is the result of 3A?

    <p>[(9&amp;-6@12&amp;3@-15&amp;6)]</p> Signup and view all the answers

    Given the matrices A = [(3&-2@4&1@-5&2)] and B = [(5&-2&4@1&3&6)], what is the result of AB?

    <p>[(13&amp;-10&amp;-2@24&amp;-1&amp;14@-35&amp;-4&amp;-4)]</p> Signup and view all the answers

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