The average of the reciprocals of x and y is.
$\text { A. } \frac{(x+y)}{(x-y)}$
$\text { B. } \frac{(x+y)}{2 x y}$
$\text { C. } \frac{2(x+y)}{x y}$
$\text { D. } \frac{2 x y}{(x+y)}$
Show Answer
Answer-B
Solution-
Solution(By Apex Team)
$\begin{array}{l}\text{ Required average }\\
=\Large\frac{\left(\Large\frac{1}{x}+\frac{1}{y}\right)}{2}\\
=\Large\frac{x+y}{2xy}\end{array}$
