&gt; x &lt;- matrix&#40;1:6, 2, 3&#41;
A. x[2, ]
B. x[1, 2]
C. x[, 2]
D. All of the mentioned
Answer:A
&gt; x &lt;- matrix&#40;1:6, 2, 3&#41;
A. x[2, ] B. x[1, 2] C. x[, 2] D. All of the mentioned
Explanation:This behavior is used to access entire rows or columns of a matrix. 9. What would be the output of the following code ?