Question 1202833
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Write 2x3-matrix B as it is given to you.



Then write 3x2-new matrix  {{{B^t}}}, which is transposed matrix B.



First  row of  {{{B^t}}}  is the first  column of B.

Second row of  {{{B^t}}}  is the second column of B.

Third  row of  {{{B^t}}}  is the third  column of B.



That's all what they want from you.


Matrix A is irrelevant in this post.
</pre>

Solved.


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Post-solution note: to be a good student, read and learn from your textbook.


All of that is written and explained there.


By the way - what is your Algebra textbook ?