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Which of the following is (are) NOT the ...

Which of the following is (are) NOT the square of a `3xx3` matrix with real entries ?

A

`[{:(,1,0,0),(,0,1,0),(,0,0,-1):}]`

B

`[{:(,1,0,0),(,0,-1,0),(,0,0,-1):}]`

C

`[{:(,-1,0,0),(,0,-1,0),(,0,0,-1):}]`

D

`[{:(,1,0,0),(,0,-1,0),(,0,0,1):}]`

Text Solution

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The correct Answer is:
A, C
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RESONANCE-MATRICES & DETERMINANT-EXERCISE-3
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  3. Let M be a 3xx3 matrix satisfying M |{:(,0),(,1),(,0):}|=|{:(,-1),(,2...

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  4. Let P=[a]"be a "3xx3 matrix and let Q=[b]=2^(i+j)a(i) "for" 1 lei, j l...

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  18. How many 3xx3 matrices M with entries from {0,1,2} are there, for whic...

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