loganx =
1/n logax
logx an
1/x logx an
loga xn
The logarithmic form of 95/2 = 243 is
log2 9 = 243
log9 243 = 5/2
log5 2 = 243
None of these
If log5 a. loga x = 2, then x is equal to
125
a2
25
log27(log3x) = 1/3 then x =
3
6
9
27
If 0 < a < 1 and x > y then logax __________ logay
<
>
≤
≥
The logarithmic form of 7-1 = 1/7 is
log7 1/7 = -1
log7 - 1 = 1/7
log-1 7 = 1/7
log1/7 - 1 = 7
1/2 log10 25 - 2 log103 + log10 18 =
0
1
2
If a2 + b2 = 7ab, then log [1/3 (a + b)] =
1/2(log a + log b)
log a/2 + log b/2
log a2 + log b2
log a3 + logb3
If loga[1 + logb {1 + logc x}] = 0, then x =
abc
a/bc
The logarithmic form of 45 = 1024 is
log4 1024 = 5
log5 1024 = 4
log2 1024 = 200