Home
О нас
Products
Services
Регистрация
Войти
Поиск
zelya74
@zelya74
August 2022
1
16
Report
4 примера на тему логорифмы = 50 баллов срочно
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms of service
You must agree before submitting.
Send
Answers & Comments
MizoriesKun
Verified answer
㏒₈㏒₁₄196 -㏒₇√7= ㏒₈㏒₁₄14² -㏒₇7¹/₂=㏒₈ 2 - 1/2㏒₇7=㏒₂³ 2 - 1/2㏒₇7=
= 1/3-1/2 =(2-3)/6= -1/6
㏒₍ₓ₋₁₎(х²-5х+10)=2 ОДЗ х-1>0 x>1
х²-5х+10 =(х-1)²
х²-5х+10 = х²-2х+1
х²-5х+10 -х²+2х-1=0
9-3х=0
х=3
㏒₂²x-㏒₂x-2=0 ОДЗ х>0 , замена ㏒₂x=t
t²-t-2=0
D=1+8=9 √D=3
t₁=(1+3)/2=2 ㏒₂x=2 x₁=2²=4
t₂=(1-3)/2=-1 ㏒₂x=-1 x₂=2⁻¹=1/2
√( x-5) ОДЗ х-5≥0 x ≥5
y= -------------
lg(x+1) ОДЗ х+1>0 x >-1
x∈[5;+∞)
1 votes
Thanks 1
zelya74
разве не (-1 ; 5 ] ?
MizoriesKun
начирти больше -1 и больше 5 посмотри пересечение
×
Report "4 примера на тему логорифмы = 50 баллов срочно..."
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
О нас
Политика конфиденциальности
Правила и условия
Copyright
Контакты
Helpful Social
Get monthly updates
Submit
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
㏒₈㏒₁₄196 -㏒₇√7= ㏒₈㏒₁₄14² -㏒₇7¹/₂=㏒₈ 2 - 1/2㏒₇7=㏒₂³ 2 - 1/2㏒₇7== 1/3-1/2 =(2-3)/6= -1/6
㏒₍ₓ₋₁₎(х²-5х+10)=2 ОДЗ х-1>0 x>1
х²-5х+10 =(х-1)²
х²-5х+10 = х²-2х+1
х²-5х+10 -х²+2х-1=0
9-3х=0
х=3
㏒₂²x-㏒₂x-2=0 ОДЗ х>0 , замена ㏒₂x=t
t²-t-2=0
D=1+8=9 √D=3
t₁=(1+3)/2=2 ㏒₂x=2 x₁=2²=4
t₂=(1-3)/2=-1 ㏒₂x=-1 x₂=2⁻¹=1/2
√( x-5) ОДЗ х-5≥0 x ≥5
y= -------------
lg(x+1) ОДЗ х+1>0 x >-1
x∈[5;+∞)