Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (anonymous):

Need help with determinants of matrix. Question is in the attached file

OpenStudy (anonymous):

OpenStudy (anonymous):

So my question is can I just take the cofactor expansion of column 3. which will give me |dw:1444515136849:dw| right?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!