Răspuns :
[tex] \frac{x}{3} > \frac{8}{x} [/tex]
x²>24
x²-24>0
(x-2√6)(x+2√6)>0
-2√6 2√6
x-2√6 ------------------------------------------------0 ++++++++++++++++++++
x+2√6 ---------------0+++++++++++++++++++++++++++++++++++++
(x-2√6)(x+2√6) +++++++0-----------------------------0+++++++++++++++++++++
x∈(- infinit, -2√6)reunit(2√6, + infinit)
x²>24
x²-24>0
(x-2√6)(x+2√6)>0
-2√6 2√6
x-2√6 ------------------------------------------------0 ++++++++++++++++++++
x+2√6 ---------------0+++++++++++++++++++++++++++++++++++++
(x-2√6)(x+2√6) +++++++0-----------------------------0+++++++++++++++++++++
x∈(- infinit, -2√6)reunit(2√6, + infinit)