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Questions  

The number of 3×3  matrices A  whose entries are either 0or1  and for which the system Axyz=100  has exactly two distinct solutions, is

a
0
b
29−1
c
168
d
2

detailed solution

Correct option is A

Since, Axyz=100  is linear equation in three variables and that could have only unique, no solution or infinitely many solutions.∴    It is the possible to have two solutionsHence, number of matrices A is zero.

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