Question

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`
A. o
B. `2^(9) -1`
C. 168
D. 2

Answer 1

Correct Answer - A
Three planes cannot meet only at two distinect points.
Hence. Number of matrices = 0