## anonymous 4 years ago Can someone help me prove a property of matrices?

1. anonymous

2. anonymous

Just use the property $$A. adj (A) = adj (A).A = \det A \times I_n$$

3. anonymous

If A is singular that implies the the matrix $$A. adj (A)$$ is a singular matrix.

4. anonymous

Wait i gotta process that

5. anonymous

lol use a fast processor :P

6. razor99

hey pipa how r u doing