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Other
Engineering Mathematics
Row Echelon Form
Let A be a 4 ...
Question
Let A be a 4
×
3 real matrix with rank 2. Which one of the following statement is TRUE?
A
Rank of
A
T
A
is less than 2
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B
Rank of
A
T
A
is equal to 2
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C
Rank of
A
T
A
is greater than 2
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D
Rank of
A
T
A
can be any number between 1 and 3
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Solution
The correct option is
B
Rank of
A
T
A
is equal to 2
From the property of the rank of matrix
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