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JEEMAIN and NEET
>>
Mathematics
>>
Class12
>>
Matrices
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Q)
If
A
=
[
a
b
b
a
]
and
A
2
=
[
α
β
β
α
]
then
(
a
)
α
=
2
a
b
,
β
=
a
2
+
b
2
(
b
)
α
=
a
2
+
b
2
,
β
=
a
b
(
c
)
α
=
a
2
+
b
2
,
β
=
2
a
b
(
d
)
α
=
a
2
+
b
2
,
β
=
a
2
−
b
2
Share
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