determinants with row reduction and cofactor expansion

Evaluate the determinants below using row-reduction, or a combination of row-reduction and cofactor.

1    -2     2   3

1     0    -1   0

1     1     1  -1

2    -1    -1   2

Please do both row reduction and the combination of row-reduction and cofactor with steps. 

Thank you!

 
Do you need a similar assignment done for you from scratch? We have qualified writers to help you. We assure you an A+ quality paper that is free from plagiarism. Order now for an Amazing Discount!
Use Discount Code "Newclient" for a 15% Discount!

NB: We do not resell papers. Upon ordering, we do an original paper exclusively for you.