logarytmy zadania6

5.10.10. log _X(2x² — 3x — 4) = 2.

5.11- Rozwiąż równania:

5.1    1.1. log ₂ (.v + 2) -ł- log ₂(x -V- 14) a 6,

5.1    1.2. Iogy2 ( ^v "+- 1) -ł- log^/2X = 2,

5.1    1.3. log ₃ (1 — X) = log ₅ 6 — log ₅(2 — x),

5.11.4.    log5(.v + 3) — log_s2l = \og_s2 - \og_s(2 + x\

5.11.5.    log₇(,v — 1) ł-log₇(\ + .\) = \og₇x,

5.1 1.6. log₃(.\ -f 1) + log₃(2 — v) = 2\og₃x,

1 1

5.11.7.    -log(.v + 3) = 1 - -log(x + 24),

5.11.8.    log₆(5 - .v) + 21og_6N/3 - x = 0,

5.11.9.    log₂(3A' - 91) + log₂(30 - x) = l,

5.11.10.    log(3a + 4) + log(.v - 8) = 2,

5.11.11.    log(3.v - 5) + log(.v + \) - lo&~^x =

= log 5 + log(2a — 1) ~