Logarithms Practice Test 2

© examsiri.com

Question : 19 of 39

Marks: +1, -0

If

a = \log_3 5, b = \log_17 25

, which one of the following is correct?

a < b
a = b
a > b
None of these

Solution:

b = 2 \log_17 5 = 2/{\log_5 17}

And

a = 1/{\log_5 3} = 2/{\log_5 9}

Since,

\log_5 17 > \log_5 9

∴ a > b.

© examsiri.com

Go to Question:

Prev Question

Next Question