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JEEMAIN and NEET
>>
Mathematics
>>
Class12
>>
Matrices
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Q)
If a matrix A is such that
3
A
3
+
2
A
2
+
5
A
+
I
=
0
then its inverse is
(
A
)
−
(
3
A
2
+
2
A
+
5
I
)
(
B
)
3
A
2
+
2
A
+
5
I
(
C
)
3
A
2
−
2
A
−
5
I
(
D
)
None of these
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