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If A[{:(i,0),(0,-i)]B=[{:(0,-1),(1,0)] a...

If `A[{:(i,0),(0,-i)]B=[{:(0,-1),(1,0)] and C =[{:(0,i),(i,0):}]` where `i= sqrt(-1)`. Then which one of the following is correct ?

A

`BA = -C`

B

AB=C

C

`A^(2)=B^(2)=C^(2)=I`, where I is the identity matrix

D

`BA ne -C`

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