MATH 121

LOGARITHMS III

(Some Super-Challengers)

Evaluate:

1) log497 – log864

2)

 

Solve for x:

3) 2 logbx = 2 logb(1 – a) +2 logb(1 + a) – logb

4) logbx = 2 – a + logb

 

 

 

 

 

Answers:

1)         2)         3) a         4) a²