Задача 31802 ...

kiraa32156

2018-12-11 04:44:24

10. log√₇ (1 - 2x) + log√₇ (x - 5) = 2

11. log₆ (3 - 2x) + log₆ (3x + 1) = 1/log₅ 6

12. ln(x + 6) = ln(12 - 4x) - ln(5 - x)

13. log₄ (x² - 3x - 10) - log₄ (4x + 8) = 0