Answer :
A.
⎡
⎢
⎣
1
2
3
⎤
⎥
⎦
=
⎡
⎢
⎣
x
2
3
⎤
⎥
⎦
B. ⎡
⎢
⎣
1
2
3
⎤
⎥
⎦
=
⎡
⎢
⎣
x
2
3
⎤
⎥
⎦
sorry the last two i cant find. i hope this helps.
A.
⎡
⎢
⎣
1
2
3
⎤
⎥
⎦
=
⎡
⎢
⎣
x
2
3
⎤
⎥
⎦
B. ⎡
⎢
⎣
1
2
3
⎤
⎥
⎦
=
⎡
⎢
⎣
x
2
3
⎤
⎥
⎦
sorry the last two i cant find. i hope this helps.