Aptitude - Logarithm - Discussion
Discussion Forum : Logarithm - General Questions (Q.No. 6)
6.
If log10 7 = a, then log10 | ![]() |
1 | ![]() |
is equal to: |
70 |
Answer: Option
Explanation:
|
= log10 1 - log10 70 | |||||
= - log10 (7 x 10) | ||||||
= - (log10 7 + log10 10) | ||||||
= - (a + 1). |
Discussion:
33 comments Page 3 of 4.
Shraddha Patel said:
3 years ago
Thanks for the explanation @Rohit.
(2)
Gyan said:
1 decade ago
How do you get second step here ?
Souradeep said:
7 years ago
How to get this? Please explain.
Buncy said:
1 decade ago
How did you got the second step?
Anush said:
1 decade ago
How you got this second step?
Amrutha said:
1 decade ago
loga 1 = 0 so log 10 1 = 0
Nkululeko said:
1 decade ago
How you got second step?
Subhajit said:
8 years ago
How to -log10(7*10)?
Majnu said:
1 decade ago
Is log10 1 Zero...?
Giri said:
5 years ago
Thank you @Rohit.
(1)
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