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pesadelo1218
a) log(1 - x) |x ∈ ℝ| x < 1
b) log(5x - 2) + log(x - 3) |x ∈ ℝ| x > 3
c) log(x² + 4x - 5) |x ∈ ℝ| x < -5 ou x > 1
d) log(50 - 5x - x²) |x ∈ ℝ| -10 < x < 5
a) log(1 - x)
b) log_3(5x - 2) +log 3 (x-3)
c) log_3(x ^ 2 + 4x - 5)
d) |log(50 - 5x - x)|
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