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Consider the following in respect of the...

Consider the following in respect of the matrix:
`[{:(1,1,1),(1,1,1),(1,1,1):}]`
1. Inverse of A does not exist.
2. `A^(3) = A`
3. `3A = A^(2)`
Which of the above are correct?

A

1 and 2 only

B

2 and 3 only

C

1 and 3 only

D

1,2 and 3

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