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How many rows are there in the matrix \(A=\begin{bmatrix}1&2\\3&4\\5&6\end{bmatrix}\)?

Answer and explanation

Correct answer: 3

The matrix has three horizontal rows: [1 2], [3 4], [5 6]. Thus its order is \(3\times2\) and the number of rows is 3. Option A (2) confuses columns with rows; options C and D are clearly incorrect counts. Exam tip: count the horizontal bracketed lines to find the number of rows (each horizontal entry list is one row).

Related tags

MatricesRowsOrder Of MatrixCountingOrder Of A MatrixMatrixMathematicsClass 12 Mcq

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