Find the determinant of the matrix

MATHEMATICS · Subjective · CBSE · Mathematics · Determinants · Determinants

Problem

Find the determinant of the matrix B=(123258011)B=\begin{pmatrix}1 & 2 & 3\\ 2 & 5 & 8\\ 0 & 1 & 1\end{pmatrix}. Hence, determine whether BB is singular or non-singular.

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