Question

(X +Y) divided by ( X-¹ + Y -¹)

Answer 1

Answer:

$\frac{x + y}{x ^{ - 1} + y ^{ - 1} }$

$\frac{x + y}{ \frac{1}{x} + \frac{1}{y} }$

$\frac{x + y}{y + x}$

$= xy$