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XII
Exercise 3
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Answer
We know that A = IA
Question 2:
Find the inverse of each of the matrices, if it exists
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tiwariacademy
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Answer
We know that A = IA
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XII
Question 4:
Find the inverse of each of the matrices, if it exists
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Answer
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XII
We know that A = IA
Question 6:
Find the inverse of each of the matrices, if it exists
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tiwariacademy
...
Answer
We know that A = AI
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XII
Question 8:
Find the inverse of each of the matrices, if it exists
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tiwariacademy
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Answer
We know that A = IA
Question 10:
Find the inverse of each of the matrices, if it exists
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tiwariacademy
...
Answer
We know that A = AI
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XII
Question 12:
Find the inverse of each of the matrices, if it exists
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H
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Therefore, A−1 does not exist
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Answer
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XII
We know that A = IA
Question 14:
Find the inverse of each of the matrices, if it exists
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tiwariacademy
...
H
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Therefore, A−1 does not exist
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Answer
We know that A = IA
Applying R2 → R2 + 3R1 and R3 → R3 − 2R1, we have:
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XII
Question 17:
Find the inverse of each of the matrices, if it exists
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tiwariacademy
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tiwariacademy
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AB = BA
B
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AB = 0, BA = I
D
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tiwariacademy
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In
this case, it is clear that A is the inverse of B
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