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Matrices — Mathematics STD 10 — Question

ICSE BoardEnglish MediumSTD 10MathematicsMatrices1 Mark
MCQ
If $A =\left[\begin{array}{ll}1 & 2 \\ 3 & 3\end{array}\right], B =\left[\begin{array}{ll}x & 0 \\ 0 & y\end{array}\right]$, then the order of the matrix BA is :
  • A
    $1 \times 2$
  • B
    $2 \times 1$
  • C
    $2 \times 3$
  • D
    $2 \times 2$
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