Which of the following is (are) NOT the square of a square matrix of order 3 with real entries?
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a
10001000-1
b
100010001
c
-1000-1000-1
d
1000-1000-1
answer is A.
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Detailed Solution
Determenent value should not be negative , therefore answers are option 1 and 3For the option 2I2=100010001 For the option 4 , 1000110-2-11000110-2-1=1000-1000-1