If mn > 0, which of the following must be negative? Choose the correct choice from the following answers.
A) m +n B) |m| + n C) m^2 D) -m/n E) mn
Given mn&gt; 0 So both will be the positive integers. If both are positive, then A,B,C,E also positive.   Answer :-m/n
<result>D</result>
If mn > 0, which of the following must be negative?