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- Stuck here, help me understand: The number of 3 x 3 non-singular matrices, with four entries as 1 and all other entries as 0, is
The number of 3 x 3 non-singular matrices, with four entries as 1 and all other entries as 0, is
- Option 1)
less than 4
- Option 2)
5
- Option 3)
6
- Option 4)
at least 7
Answers (2)
As we learnt in
Defination of Matrix -
A rectangular array of symbols (which could be real or complex numbers) along rows and columns is a matrix.
-
Use combination method and 4 entries for 1 and others for zero. Then atleast 7 number of non-singular matrices
Option 1)
less than 4
Incorrect Option
Option 2)
5
Incorrect Option
Option 3)
6
Incorrect Option
Option 4)
at least 7
Correct Option
View full answer
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