c++ and matlab help pleaas

in) a=3a2k2+k=t A=[356;579;012;3851.d=A(421 (a) B=[571] (b) 5=[3;6:0;3] (c) B=[]e] (d) 8:[5;7:7=4] 13. The variables cannot be accessed after rurving the following commacid? (a) eyo(3,3) (b) clear all (c) ck ? (d) elose all 14. What would be the output of the following eode? A={1472:1040:90471B={A(3,JA) (a) g=[1472;104 (b) a=200j,147 (c) 8+17:40:1472 (d) B=[1:472;104 0;5047;204 2;1040,9047 ; 1040;90471 (1,5 pointe) 5. What would be the output of the command length(A)' for the following matrix A? ( point) A=[8,5,6;2,5,0;2,1,7;0,0,0] (a) {43} (b) 2 (c) 3. (d) 4 in) a=3a2k2+k=t A=[356;579;012;3851.d=A(421 (a) B=[571] (b) 5=[3;6:0;3] (c) B=[]e] (d) 8:[5;7:7=4] 13. The variables cannot be accessed after rurving the following commacid? (a) eyo(3,3) (b) clear all (c) ck ? (d) elose all 14. What would be the output of the following eode? A={1472:1040:90471B={A(3,JA) (a) g=[1472;104 (b) a=200j,147 (c) 8+17:40:1472 (d) B=[1:472;104 0;5047;204 2;1040,9047 ; 1040;90471 (1,5 pointe) 5. What would be the output of the command length(A)' for the following matrix A? ( point) A=[8,5,6;2,5,0;2,1,7;0,0,0] (a) {43} (b) 2 (c) 3. (d) 4