Решите логарифмическое уравнение
И сделайте проверку
Log1/2(2x+5)-log1/2(13)=log1/2(5)
И сделайте проверку
Log1/2(2x+5)-log1/2(13)=log1/2(5)
More Questions From This User See All
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
log(1/2)((2x+5)/13)=log(1/2)5;
(2x+5)/13=5;
2x+5=65;
2x=60;
x=30.
Проверка:
log(1/2)(2*30+5)-log(1/2)13=log(1/2)5;
log(1/2)(65/13)=log(1/2)5;
log(1/2)5=log(1/2)5.