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If A is 55 matrix and dimension of solution space of Ax=0 is atleast 2, then 1) Rank(A 2 ) = 3 3) Rank(A 2

If A is 5×5 matrix and dimension of solution space of Ax=0 is atleast 2, then

1) Rank(A²) = 3

3) Rank(A²) = 3

4) Determinant(A²) = 0

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