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 =
1
0
abc
a/bc
The logarithm of 5832 to the base 3√2 is
5
6
18
7
The logarithmic form of 45 = 1024 is
log4 1024 = 5
log5 1024 = 4
log2 1024 = 200
None of these
The exponential form of log1/3 1/27 = 3 is
(1/3)3 = 27
(1/27)3 = 1/3
(1/3)3 = 1/27
The value of logx x + logx x3 + logxx5 +..... logx x2n-1 is
n
n/2
n2
n3
If log5a = 3, then value of a is
15
125
25
100
log ab - log |b| =
loga
- loga
The value of x if log2 (x2 - 1) = log28 is
±2
±3
±4
±5
Log2 16 =
4
8
2
