Answer and Explanation
Your Answer is
Correct Answer is A
Explanation
Substitute the expression according to the operation rules of the exponent: loga(xy)2=2(logax+log ay)=2(s+t)
59. If 
and 
, then 
59. If and , then
Your Answer is
Correct Answer is A
Explanation
Substitute the expression according to the operation rules of the exponent: loga(xy)2=2(logax+log ay)=2(s+t)