(3xy-1) elevado a 2 que da¿?
(3xy-1)^
9x^y^ -6xy+1=0
3xy -1=-3xy
=-6xy
(3xy-1)(3xy-1)=0
3xy=1 3xy=1
x=1-3y x=1-3y
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(3xy-1)^
9x^y^ -6xy+1=0
3xy -1=-3xy
3xy -1=-3xy
=-6xy
(3xy-1)(3xy-1)=0
3xy=1 3xy=1
x=1-3y x=1-3y