when x = 2; calculate log (x + 1) + log (x - 1)
log (1)
log (2)
log (3)
log 90)
log 20 - log 4
log (0)
log (5)
log (10)
Solve log (x - 1) + log (x + 1) = log 2
√1
√2
√3
√4
Solve log (x - 2) + log (x + 2) = log 4
√8
√6
Solve log 3x = 3
501.33
333.33
1000
101.001
log 10 = _________
1
0
100
Solve log 4x = 2
50
42
25
log 5x = 1; then x = _______
2
3
log 32/log 4 = x; then x = ________
4
32
5/2
32/4
Solve log (x + 3) + log (x - 3) = log 6
√15
