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For a square matrix A. which of the foll...

For a square matrix A. which of the following properties hold ?
I. `(A^(-1))^(-1)=A`
II. Det `(A^(-1))=(1)/(det A)`
III. `(lamda A)^(-1)` where `lamda` is a scalar Select the correct answer using the code given below :

A

I and II only

B

II and III only

C

I and III only

D

1,2 and 3 only

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PUNEET DOGRA-MATRIX-PREV YEAR QUESTIONS
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