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Mathematics 5 Online
OpenStudy (anonymous):

Question is below this please help.

OpenStudy (anonymous):

Let x, y, and z be positive real numbers which satisfy the following equations: \[x ^{2}+xy+y ^{2}=3\] \[y ^{2}+yz+z ^{2}=1\] \[z ^{2}+zx+x ^{2}=4\] What is the value of the expression xy+yz+zx?

OpenStudy (anonymous):

lol this kid is so dumb

OpenStudy (anonymous):

Its ok I love you Avery. <3 You can ask ms. burnett :D

OpenStudy (anonymous):

IM LOOKING FOR A REAL ANSWER TO THIS

OpenStudy (the_fizicx99):

What its asking for is to find values for x, y and z that will satisfy all of the equations. Then use that to find xy+yz+zx

OpenStudy (anonymous):

yes and how would you do that tHe_FiZiCx99?

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