CAT 2018 Logarithms Question (Easy)

Question

If is a positive quantity such that , then is equal to

Optima Learn · Accepted Answer

Given We are told that and 2 x 3 log_ 5 2 ,. Goal Find and match it to one of the options. 1. Take logarithm base 2 of both sides to isolate x log_ 2 bigl 3 log_ 5 2 bigr bigl log_ 5 2 bigr times log_ 2 3 ,. 2. Use the change-of-base formula for each logarithm express with natural logs log_ 5 2 ln 5

CAT 2018 Logarithms — Previous Year Question

CAT 2018

Quantitative

Logarithms

Easy

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