x+y+z=1,2x+2y+3z=6,x+4y+9z=3 slove by Matrix inversion method
Answers
Answered by
0
Answer:
mark as brainlest
Step-by-step explanation:
x+y+z=1
2x+2y+3z=0
x+4y+9z=3
Find x, y and z.
Share
Study later
ANSWER
⎣
⎢
⎢
⎡
1
2
1
1
2
4
1
3
9
⎦
⎥
⎥
⎤
⎣
⎢
⎢
⎡
x
y
z
⎦
⎥
⎥
⎤
=
⎣
⎢
⎢
⎡
1
0
3
⎦
⎥
⎥
⎤
⎣
⎢
⎢
⎡
x
y
z
⎦
⎥
⎥
⎤
=
⎣
⎢
⎢
⎡
1
0
3
⎦
⎥
⎥
⎤
⎣
⎢
⎢
⎢
⎡
−2
5
−2
3
5
3
−8
1
3
−1
3
1
0
⎦
⎥
⎥
⎥
⎤
⎣
⎢
⎢
⎡
x
y
z
⎦
⎥
⎥
⎤
=
⎣
⎢
⎢
⎡
−3
6
−2
⎦
⎥
⎥
⎤
∴x=−3;y=6;z=−2
Similar questions