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Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
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Logarithm
If ax = by, then:
log a = x b y
log a = x log b y
log a = y log b x
None of these
Show Answer
Correct Answer:
log a = y log b x
Explanation:
a
x
=
b
y
⟹ log
a
x
= log
b
y
⟹
x
log
a
=
y
log
b
⟹
log
a
=
y
.
log
b
x
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