Solution of EJU about Inequality logarithm: Part III -EJU 2017 session 2 Course 2

Описание: This time, I am trying to solve Part III Q2 EJU 2017 session 2 about Inequality Logarithm.

For other problem and solution from same paper:
Part I, Q1 is about quadratic function and Q2 is about probability:    • Solution of Part I Q1 and 2, EJU 2017 sess...  
Part II Q1 is about recurring sequence:    • Recurring Sequence Problem in EJU 2017 ses...  
Part II Q2 is about geometry:    • EJU: Geometry-Solution of Part II Q2, EJU ...  
Part III is about inequality Logarithm:    • Solution of EJU about Inequality logarithm...  
Part IV is about area between curves:    • Solution of Part IV EJU 2017 session 2 abo...  

If you look for course 1 or basic math from EJU 2017 session 2, click the following links:
Part I:    • Solution of Part I Q1 and 2, EJU 2017 sess...  
Part II:    • Solution of Part II Q1 and 2, EJU 2017 ses...  
Part III:    • Solution of Part III - EJU 2017 session 2 ...  
Part IV:    • Geometry - Solution of Part IV - EJU 2017 ...  

EJU is an entrance test for Japanese University.
They have 2 section. Course 1 is basic math for those who wants to take non-math or non-engineering major. Course 2 is advanced math for those who wants to take science or engineering major in undergraduate program in Japan.
Course 2 is divided into 4 parts. Part I is the easiest one and the last part is the hardest one.

So far, I only make video for Course 2 (Advanced) Math.

For past paper EJU Test, click here:
https://www.jasso.go.jp/en/eju/examin...

EJU 2016 first session Part I,
Question no.1 is about quadratic function:    • Entrance Test for Japanese University EJU ...  
Question no.2 is about Combinatoric:    • EJU 2016 Part I Q2 Combinatorics  

EJU 2016 first session Part II,
Question no.1 about vectors:    • EJU 2016 Entrance Test for Japanese Univer...  
Question no.2 about complex number:    • Part II - Q2 - EJU 2016 Advanced Math-Comp...  

EJU 2016 first session Part IV(the hardest part) about Calculus:    • The hardest part. EJU 2016 Advanced Math P...  

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