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# Without expanding the determinant, prove that

Question:

Without expanding the determinant, prove that $\left|\begin{array}{lll}41 & 1 & 5 \\ 79 & 7 & 9 \\ 29 & 5 & 3\end{array}\right|=0$.

SINGULAR MATRIX A square matrix A is said to be singular if $|A|=0$.

Also, A is called non singular if $|A| \neq 0$.

Solution: