Weber Guerrero
06/06/2024 · Middle School
Encontre os valores reais de \( x \) que satisfazem as equaçós a) \( \log _{1}(3 x+2)=\log _{1}(2 x+5) \) b) \( \log (2 x-9)=\log (3 x+1) \) c) \( \log _{2}(x+1)+\log _{2}(x-1)=3 \)
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a) A equação \( \log _{1}(3x+2)=\log _{1}(2x+5) \) não tem solução real.
b) A equação \( \log (2x-9)=\log (3x+1) \) tem a solução \( x = -10 \).
c) A equação \( \log _{2}(x+1)+\log _{2}(x-1)=3 \) tem as soluções \( x = 3 \) e \( x = -3 \).
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