Aptitude - Logarithm - Discussion
Discussion Forum : Logarithm - General Questions (Q.No. 12)
12.
| If logx |  |
9 |  |
= - | 1 | , then x is equal to: |
| 16 | 2 |
Answer: Option
Explanation:
| logx | |
9 | |
= - | 1 |
| 16 | 2 |
 x-1/2 |
= | 9 |
| 16 |
| |
1 | = | 9 |
| x | 16 |
| x = |
16 |
| 9 |
| x = |
|
16 | |
2 |
| 9 |
| x = |
256 |
| 81 |
Discussion:
17 comments Page 2 of 2.
JOSHUA said:
1 decade ago
You must cross multiply at the third, why reciprocating at that place?
Deepanesh said:
5 years ago
Log X = m.
X = 9/16.
m = -1/2,
a power m = X ->Formula.
X = 9/16.
m = -1/2,
a power m = X ->Formula.
Hemant said:
9 years ago
Your explanation is too good @@Rohit.
Nagaraju Azmeera said:
5 years ago
Thanks for explaining @Pavitra.
Kathir said:
9 years ago
@Rohit. Good explanation.
Rushikesh said:
9 years ago
@ Mounika.
X = 2.15.
X = 2.15.
Malathi said:
1 decade ago
I can't understand.
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