At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga.
Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus.
Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

Get our expert's

answer on brainly

SEE EXPERT ANSWER

Get your **free** account and access **expert** answers to this and **thousands** of other questions.

See more answers at brainly.com

Get this expert

answer on brainly

SEE EXPERT ANSWER

Get your **free** account and access **expert** answers to this and **thousands** of other questions

I got -102. Is it correct or did I get an arithmetic error somewhere?

I got -98

Hmm...
Let me just double check everything here...

determinant?

I think so.

must be method of cofactors, eh?

Yup...

I get 72 as well

Look down that web page at the section titled "Larger Order Determinants"

another source for ya
http://tutorial.math.lamar.edu/Classes/LinAlg/MethodOfCofactors.aspx

yw :) - crosses fingers in the hope that he did make a mistake :)

*did NOT ...

as @TuringTest said, use the method of cofactors - see the links we gave you.

Ok, once again, thank you :)

I phrased that poorly, not sure how to say it without giving away the answer

Perhaps.