Find the Dimensions [[1,-2,1,0,0],[0,1,2,3,0],[0,0,0,1,0]]

Problem

[[1,−2,1,0,0],[0,1,2,3,0],[0,0,0,1,0]]

Solution

1. Identify the number of rows in the matrix by counting the horizontal lines of entries.

2. Count the rows, which results in 3.

3. Identify the number of columns in the matrix by counting the vertical lines of entries.

4. Count the columns, which results in 5.

5. State the dimensions in the standard format of rows by columns (m×n.

Final Answer

Dimensions=3×5

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