1.

\eqalign{ & \left[ {\frac{1}{{\left( {{{\log }_a}bc} \right) + 1}} + \frac{1}{{\left( {{{\log }_b}ca} \right) + 1}} + \frac{1}{{\left( {{{\log }_c}ab} \right) + 1}}} \right] \cr & {\text{is}}\,\,{\text{equal}}\,{\text{to - }} \cr} $$

A. 1
B. 3/2
C. 2
D. 3
Answer» B. 3/2


Discussion

No Comment Found