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The number of 3 3 non-singular matrices...

The number of 3 3 non-singular matrices, with four entries as 1 and all other entries as 0, is

A

less that 4

B

5

C

6

D

at least 7.

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • The number of 3xx3 non singular matrices, with four entries is 1 and all other entries as 0, is

    A
    5
    B
    6
    C
    at least 7
    D
    less than 4

  • The number of 3xx3 non singular matrices with four entries as 1 and all other entries as 0 is

    A
    `lt4`
    B
    `5`
    C
    6
    D
    at least 7

  • If A and B are non-singular matrices, then

    A
    `AB=BA`
    B
    `(AB)'=A'B'`
    C
    `(AB)^(-1)=B^(-1)A^(-1)`
    D
    `(AB)^(-1)=A^(-1)B^(-1)`

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