linear algebra

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[plain bough]

The question?

The picture just defines a matrix

[fiery bronze]

find the determinant of the matrxi

is it k

or 1

since it is invertible and an elementary matrix

heres the whole question

it mus be k

[plain bough]

yes

$k\times 1\times 1=k$

[hollow shard]

Omegabet_