&gt; x&#91;1, &#93;
A. 1 3 5
B. 2 3 5
C. 3 3 5
D. file
Answer:A
&gt; x&#91;1, &#93;
A. 1 3 5 B. 2 3 5 C. 3 3 5 D. file
Explanation:Indices can also be missing. 8. Which of the followin code extracts the second column for the following matrix ?