Ask your own question, for FREE!
Mathematics 8 Online
OpenStudy (anonymous):

If x and y are positive real numbers for which (x+y)^2+(x-y)^2= 10 and (x+y)^4+(x+y)^4= 98, what is the value of xy? Express your answer in simplest radical form. Thanks!

OpenStudy (primeralph):

|dw:1375224393928:dw|

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!