Question:medium

Rank of the matrix \[ A= \begin{bmatrix} 1& 0& 1& 1\\ 0& 1&-3&-1\\ 3& 1& 0& 2\\ 1& 1&-2& 0 \end{bmatrix} \] is

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The rank of a matrix equals \[ \boxed{\text{the number of non-zero rows in its row-echelon form}.} \]

Updated On: Jul 14, 2026

\(4\)
\(3\)
\(2\)
\(1\)

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The Correct Option is C

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