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2-3 la puterea x la 2-1=1

Răspuns :

[tex]2-3^{x^2} - 1 = 1[/tex]
[tex]-3^{x^2}+1=1[/tex]
[tex]-3^{x^2}=0 =\ \textgreater \ 3^{x^2}=0[/tex]
x ∈ ∅