Whether the matrix is in reduced row echelon form, row echelon form or neither.
Answer to Problem 104E
When
When
When
When
Explanation of Solution
Given information: The matrix is given by,
Calculation:
When,
(a)
The matrix can be written as,
The matrix is in reduced row echelon form.
(b)
The matrix can be written as,
The matrix is in row echelon form.
(c)
The matrix can be written as,
Since the leading coefficient of second row is not 1 and is not right of the first non zero number in the row above, the matrix is neither in row echelon nor in reduced row echelon form.
(d)
The matrix is neither in row echelon nor in reduced row echelon form.
Chapter 7 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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