If the inverse of the matrix A=[{:(1,2,2...

If the inverse of the matrix `A=[{:(1,2,2),(2,-1,2),(2,2,1):}]"is"(1)/(5)[{:(-3, 2, 2),(2,-3,alpha),(2,2,-3):}]`then ,`alpha=`_________

A

3

B

4

C

2

D

`-2`

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The correct Answer is:

C

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