Ask your own question, for FREE!
Mathematics 9 Online
OpenStudy (anonymous):

Given |vector a|=3, |vector b|=5, and |vector a + vector b|=7, determine |vector a - vector b|.

OpenStudy (anonymous):

Sorry, didn't know how to type a and b as vectors. I've got a picture to compensate in case the question wasn't clear. http://prntscr.com/3dsqwg

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!