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If k gt1, and the determinant of the mat...

If `k gt1`, and the determinant of the matrix `A^(2)`, where `A=[(k,kalpha, alpha),(0,alpha, k alpha),(0,0,k)]` is `k^(2)` then `|alpha|=`

A

`(1)/(k ^(2))`

B

`k`

C

`k ^(2)`

D

`1/k`

Text Solution

Verified by Experts

The correct Answer is:
D
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