Difficult

Logarithmic Equations: Very Difficult Problems with Solutions

Problem 1
Find the root of the equation [tex]2+lg\sqrt{1+x}+3lg\sqrt{1-x}=lg\sqrt{1-x^2}[/tex]
Problem 2 sent by Mehdi Ahangareianabhari
[tex]5^{2+4+6+....+2x}=(0.04)^{-28}[/tex] and (x > 0)
Find x = ?
Problem 3
Find x, if
[tex]\begin{array}{|l}4^{\frac{x}{y}+\frac{y}{x}}=32\\ \log_3(x-y)+\log_3(x+y)=1\end{array}[/tex]
Problem 4
Find n=?
log23.log34.log45...logn(n + 1) = 10
Difficult
Submit a problem on this page.

Correct:
Wrong:
Unsolved problems:
Contact email:
Follow us on   Twitter   Facebook

Copyright © 2005 - 2021.