For the matrix

MATHEMATICS · Subjective · CBSE · Mathematics · Determinants · Determinants

Problem

For the matrix D=(1k203−12−41)D=\begin{pmatrix}1&k&2\\0&3&-1\\2&-4&1\end{pmatrix}, the element in the first row and second column of adj⁡D\operatorname{adj}D is −4-4. Determine the value of kk.

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