preciso muito, por favor
A resposta tem que dá D = R - {1/2} S = { }
Domínio:
x≠±1
(3x-1)(2x+1)+(3x+2)(2x-1)=2
6x²+x-1+6x²-x-2=2
12x²=5
x²=5/12
x=√5/12
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Domínio:
x≠±1
(3x-1)(2x+1)+(3x+2)(2x-1)=2
6x²+x-1+6x²-x-2=2
12x²=5
x²=5/12
x=√5/12