TRUE OR FALSE In each case, explain or prove your answer. If A is an m × n matrix, then A and AT have the same rank.

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Chapter6: Linear Systems
Section6.2: Guassian Elimination And Matrix Methods
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TRUE OR FALSE In each case, explain or prove your answer. If A is an m × n matrix, then A and AT have the
same rank.

Expert Solution
Step 1

If A is an m×n matrix then, the number of rows of A is m and the number of columns of the matrix A

is n.

We know that the transpose of the matrix A is written as AT. Clearly, if A is an m×n matrix then, AT

is an n×m matrix.

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