answer only 17, matlab only the questions are linked.

QUESTION 17 17. What is the output for the command - (a8)? 1. [12] 2.[1 0 1 0] 3. [0 1 0 1] 4. None of the above or an error message will be displayed. QUESTION 15 For Questions 15 through 21, refer to the row Vectors a and b defined below. a = [1 5 2 7]; b = [2 3 4 0); 15. The matrix M = [1527;2340) can be formed by the command 3. Sab); SD); oooo m