5.11.6. log3(.v + 1) -I- log ,(2 v) = 2U»g j.\.
5.11.6. log3(.v + 1) -I- log ,(2 v) = 2U»g j.\.
5.11.7.
log ( v ł- 3)
log( v t 24),
5.11.8. log6(5 - ,v) I 21ogftV/3 -- x = 0,
5.11.9. log 2 (3.y - 91) 4 log 2 (30 - v> = t,
5.11.10. log(3.v f 4) + log( v H) — 2,
5.11.11. Iog(3.v — 5) ł log( v \ l) log2.\ =
= log 5 + log(2.v — 7) log.\\
5.11.12. 2log^.v + - J — log(.v — l) = \og( x +