Inverting a Log Function: Applying the formula

Examples with solutions for Inverting a Log Function: Applying the formula

Exercise #1

1log49= \frac{1}{\log_49}=

Video Solution

Answer

log94 \log_94

Exercise #2

1ln8= \frac{1}{\ln8}=

Video Solution

Answer

log8e \log_8e

Exercise #3

(log7x)1= (\log_7x)^{-1}=

Video Solution

Answer

logx7 \log_x7

Exercise #4

2xlog89log98= \frac{\frac{2x}{\log_89}}{\log_98}=

Video Solution

Answer

2x 2x

Exercise #5

4a2log79 ⁣:log97=16 \frac{4a^2}{\log_79}\colon\log_97=16

Calculate a.

Video Solution

Answer

±2 \pm2