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Let A = [(1,-1,1),(2,1,-3),(1,1,1)] and ...

Let `A = [(1,-1,1),(2,1,-3),(1,1,1)] and (10)B = [(4,2,2),(-5,0,alpha),(1,-2,3)] ` If B is the inverse of A , then `alpha ` is :

A

2

B

0

C

5

D

4

Text Solution

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The correct Answer is:
C
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