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### Question

What is log$3/4$ + log$4/3$?

**A**

0.

**B**

$\text"log"_4(3)$.

**C**

$\text"log"_3(4)$.

**D**

1/2.

**Soln.**

**Ans: a**

log(m/n) + log(n/m) = log ($m/n$ × $n/m)$ = log 1 = 0.