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MHT CET 2019 Math Solved Paper
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© examsnet.com
Question : 4
Total: 50
If
A
=
[
x
1
1
0
]
and
A
=
A
−
1
, then x =........
0
4
2
1
Validate
Solution:
A
=
[
x
1
1
0
]
|
A
|
=
0
−
1
=
−
1
∴
A
−
1
=
−
1
[
0
−
1
−
1
x
]
∵
=
A
=
A
−
1
⇒
x
=
0
© examsnet.com
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