Log 3 × + log 3 × - 3 = 0 ayudaa?
Log 3 × + log 3 × - 3 = 0 ayudaa.
Log 3 × + log 3 × - 3 = 0 ayudaa.
En resumen
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¡Espero haberte ayudado, saludos!
Log2x = log10 log2x = log10 2x = 10 x = 5 ∨.
Log(ab) = log a + log b = 3 + 4 = 7 log a / b = log a - log b = 3 - 4 = - 1 log a ^ 2 = 2 log a = 2 (3) = 6 log ab este es igual a primero Suerte pd : El punto uno es asi log(a * b) o que quieres decir con log(a' * b).
2logx - log(x + 6) = 3log2 logx² - log(x + 6) = log2³ log(x² / (x + 6)) = log8 Simplificamos logaritmos : x² / (x + 6) = 8 x² = 8x + 48 x² - 8x - 48 = 0 (x - 12)(x + 4) = 0 x = 12. X = - 4 Son las respuestas.
Veamos : del dato, x >0 Log (x - 1) + Log x = Log 10 Log (x - 1)(x) = Log 10 x(x - 1) = 10 x² - x - 10 = 0 x = 1 + - √1² - 4 * 1 * ( - 10) / 2 * 1 x = 1 + - √41 / 2 x₁ = 1 + √41 / 2≈ 3. 7.
Log (22 - x) = log (x - 1) e ^ (log (22 - x)) = e ^ (log (x - 1)) 22 - x = x - 1 23 = 2x x = 23 / 2.
Log (x + 6) - ½ log (2x - 3) = 2 - log 25 Log(x + 6) - log((2x - 3) ^ 1 / 2)) = log (1 / 5) - log25 log ((x + 6) / ((2x - 3) ^ 1 / 2))) = log ((1 / 5) / 25) ((x + 6) / ((2x - 3) ^ 1 / 2))) = ((1 / 5) / 25) (x + 6) / (1,…