If A is a 3xx3 non - singular matrix ...

If A is a `3xx3 ` non - singular matrix and if |A| = 3 , then ` | (2A)^(-1)|`=

A

`1/24`

B

`1/3`

C

3

D

24

Text Solution

Verified by Experts

The correct Answer is:

A

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Knowledge Check

If A is a 3xx3 nonsingular matrix and if |A|=3 , then |(2A)^(-1)|=

A

3

B

24

C

`1/(24)`

D

`1/3`

If A is 3xx 3 non- singular matrix and if |A |=3 then |(2A)^(-1) |=

A

`(1)/(24)`

B

`(1)/(3)`

C

` 3`

D

`24`

If A is a 3xx 3 non-singular matrix such that A=A^-1 and |A| ne 1 , then |adj A|=

A

1

B

`|A|`

C

`|A|^3`

D

0

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If A is an 3xx3 non -sngular matrix such tat A A ' = A'A and B = A^(-1) A' tehn B B ' equals :

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