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Assuming x, y and z are real positive numbers satisfying:

xy - z = 2

xz - y = 5

yz - x = 10

What xyz?

 Dec 7, 2020
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xy - z = 2

xz - y = 5

yz - x = 10

What xyz?

 

Use substitutions to get:  x=2,  y =3,  z =4

[xyz] =[2  x  3  x  4] = 24

 Dec 7, 2020
edited by Guest  Dec 7, 2020

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