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The number of 3xx3 matrices A whose entr...

The number of `3xx3` matrices `A` whose entries are either `0or1` and for which the system `A|[x], [y ],[z]|=|[1], [0],[0]|` has exactly two distinct solution is a. 0 b. `2^9-1` c. `168` d. `2`

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