Question

resolva em R 3^x2-⁶x+⁸=1

Answer 1

Resposta:

$3^{x^2-6x+8}=1\\ \\ 3^{x^2-6x+8}=3^0\\ \\ x^2-6x+8=0\\ \\ fatorando\\ \\ (x-4)(x-2)=0\\ \\ x-4=0~~~~~~~~~~~~~~x-2=0\\ x=4~~~~~~~~~~~~~~~~~~~x=2\\ \\ S=\{2,4\}$