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

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

A

0

B

1

C

2

D

5

Text Solution

Verified by Experts

The correct Answer is:

b

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