9000003807

Level: 
Project ID: 
9000003807
Source Problem: 
Accepted: 
1
Clonable: 
1
Easy: 
0
In the following list identify a negative expression.
\(\log _{0.1}20 -\log _{0.1}0.2\)
\(\log _{3}9^{2.5} -\log _{4}4^{0.5}\)
\(\log _{4}16^{\frac{3} {2} } +\log _{3}3^{\frac{1} {4} }\)
\(\log _{3}7 +\log _{3}\frac{81} {7} \)