- #1

- 699

- 5

I am not entirely sure how to start this proof.

I was thinking...

A=a

_{i j}

det(A)=[tex]\sum[/tex]a

_{i j}*(-1)

^{i+j}*M

_{i j}from j=1 to n.

I am pretty much clueless on this one though and not sure if I am just throwing stuff on the wall hoping something will stick