The correct answer is option C which is [tex]\left[\begin{array}{cc}8&32\\39&15&\\\end{array}\right][/tex].
What is a matrix?
Matrix is defined as the arrangement of the numbers variables and expressions in the table as rows and columns.
The multiplication of the matrix will be calculated as:-
M = [tex]\dfrac{1}{2}\left[\begin{array}{cc}12&64&\\78&30&\\\end{array}\right][/tex]
M = [tex]\left[\begin{array}{cc}\dfrac{12}{2}&\dfrac{64}{2}&\\\dfrac{78}{2}&\dfrac{30}{2}&\\\end{array}\right][/tex]
M = [tex]\left[\begin{array}{cc}8&32\\39&15&\\\end{array}\right][/tex].
Therefore the correct answer is option C which is [tex]\left[\begin{array}{cc}8&32\\39&15&\\\end{array}\right][/tex].
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