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Byju's Answer
Standard X
Mathematics
Properties of Matrix Multiplication
If A= 5 -3...
Question
If A=
∣
∣
∣
5
−
3
4
2
∣
∣
∣
then find
A
A
−
1
A
∣
∣
∣
0
0
0
0
∣
∣
∣
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B
∣
∣
∣
−
1
0
0
−
1
∣
∣
∣
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C
∣
∣
∣
1
0
0
1
∣
∣
∣
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D
Does not exist
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Solution
The correct option is
C
∣
∣
∣
1
0
0
1
∣
∣
∣
For any given square matrix ,
A
A
−
1
is always equal to Identity Matrix
I
So,
A
A
−
1
=
∣
∣
∣
1
0
0
1
∣
∣
∣
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0
Similar questions
Q.
If
A
=
2
3
1
2
, verify that
A
2
-
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A
+
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where
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and
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. Hence, find A
−1
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Q.
Assertion :If
lim
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{
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Q.
If
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If
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(c) does not exist because f is not one-one
(d) does not exist because f is not onto
Q.
If
A
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