Aptitude - Logarithm - Discussion

Discussion Forum : Logarithm - General Questions (Q.No. 3)
3.
log 8 is equal to:
log 8
1
8
1
4
1
2
1
8
Answer: Option
Explanation:
log 8 = log (8)1/2 = log 8 = 1 .
log 8 log 8 log 8 2
Discussion:
21 comments Page 1 of 3.

Desmond akatugba said:   1 decade ago
pls explain further i dont really understand this

Shalini said:   1 decade ago
If given log m raise to the power n then power comes before log.

(i.e) we can write it as : n log m.

Gourav said:   1 decade ago
Property of log is used i.e log m raise to power n miss @Shalimi is right. Work on some more problem on log like change of base formula which is very high end.

Jayati said:   1 decade ago
Can we cut log 8 from the denominator and numerator? referring to last step.

Ramme said:   1 decade ago
Why we can't put like this log 8 = log root(8) * log root(8) ?

RUHUL AMIN AHMED said:   1 decade ago
We know that,

log(8)^1/2 = log8/2.

So, answers is 1/2.

Uday said:   1 decade ago
2 log 15/2-log 25/81+3 log 2/9 = log2 solve.

Vennesa Bada said:   1 decade ago
@Rahul Amin Ahmed.

log 8^(1/2) = not log8/2.

Keerthivasan said:   1 decade ago
How to find log value?

Kushal said:   1 decade ago
What is antilog?


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