True or false?
1. If det(A)=0 then A=0.
4. If det(A) = 3 then det(2A) = 6.
5. If A is a 2x2 matrix with zero determinant, then one column of A must be a multiple of the other one.
1 Answer | Add Yours
Det(A)=0 does not mean A=0
`` But A`!=0`
One column is multiple of the other.
We need more observation.
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