Q.

If k>1, and the determinant of the matrix A2, where A=kα0α00k, is k2 then |α| =

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a

k2

b

1k

c

k

d

1k2

answer is D.

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Detailed Solution

Given k>1 and 
A2=k2A2=k2k2α2=k2α2=1k2|α|=1k

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If k>1, and the determinant of the matrix A2, where A=kkαα0αkα00k, is k2 then |α| =