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If ((2, 1),(3, 2))A=((1,0),(0,1)), then ...

If `((2, 1),(3, 2))A=((1,0),(0,1))`, then the maxtrix A is

A

`((2, -1),(3,2))`

B

`((2, 1),(3, 2))`

C

`((2, -1),(-3, 2))`

D

`((-2,1),(3, -2))`

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