A.

2,1,-3\ 6,3,-9\ 3,6,2

\ B.

2,6,3\ 1,3,6\ -3,-9,2

\ D. Null mairix\ 13. If

A={(:[4,3]),(2,7),(6,1):}

and

B={(:[5,0,2]),(4,0,8):}

, then

(5A)

and

(A,B)

will respectively bes.\ A.

4,3\ 2,7\ 6,1

and

32,36,32\ 24,18,54\ 20,36,34

\

20,15\ 10,35\ 30,5

and

32,36,32\ 24,18,54\ 20,36,34

\

10,15\ 20,35\ 30,15

and

32,36,32\ 24,18,54\ 20,36,34

\

20,15\ 10,35\ 30,5

and

32,36,32\ 38,18,60\ 34,54,20

\ 14. (For Ons. 14& 15) For the set of the following linear equations:

x_(1)+2x_(2)-3x_(3)-3=0

2x_(1)-x_(2)-x_(3)-11=0

3x_(1)+2x_(2)+x_(3)+5=0

, Then

x_(1)&x_(2)

are respectively equal:\ A.

2,-2

\ B. 2, -6 ,\ C.

2,-4

\ D.

-3,-4

\ E. None of the above (NOA)\ 15. The augmented matrix of the above equation system can be represented as:\

12-3:-3

\ A.

2-1,-1:-11

\

1,2,-3:,3

\ B.

^(2)

\ B.\

3-1

\

-1

\ 21\

1:

\

1,0,0:,3

\ E.

0,1,0:,11\ 0,0,1:,-5

\ D.

0,-1,-1:,-11\ 0,0,1:,5

A. 263136392 B. 213639362 D. Null mutrix C. 102030153515 and 322420361836325434 20103015355 and 322420361836325434 20D.3015305 and 323834361854326020 14. (For Ons. 14 \& 15) For the set of the following linear equations: x1+2x23x33=0 2x1x2x311=0 2x1x2x311=0 3x1+2x2+x3+5=0. Then x1&x2 are respectively equal: A. 2,2 B. 2,6, C. 2,4 D. 3,4 E. None of the above (NOA) 15. The augmented matrix of the above equation system can be represented as: 123:3 1233 2 1 3i3 A. 23121:1:115 B. 231211115 C. 12231:1:115 D. 002103:1:1:3115 E. 00100:1:115