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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 matrix A then `alpha` equals

A

`-2`

B

1

C

2

D

5

Text Solution

Verified by Experts

The correct Answer is:
D
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