LOGARITHMS III

(Some Super-Challengers)

Evaluate:

1) log₄₉7 – log₈64

2)

Solve for x:

3) 2 log_bx = 2 log_b(1 – a) +2 log_b(1 + a) – log_b

4) log_bx = 2 – a + log_b

Answers:

1)         2)         3) a         4) a²