Let $X$ = $5$ And $y$ = $2$ And Evaluate the Expression $\frac { 1 } { x } - \frac { 1 } { y } + \frac { 15 } { x y }$

question 20

Essay

Let $X$ = $5$ and $y$ = $2$ and evaluate the expression. $\frac { 1 } { x } - \frac { 1 } { y } + \frac { 15 } { x y }$ Give your answer as a mixed number.

---

Definitions:

Tinnitus

A condition characterized by hearing noises (like ringing, buzzing, or humming) in the ears when no external sound is present.

Chemical Sense

A type of sensory perception, including taste and smell, that allows organisms to detect chemical substances in their environment.

Vestibular Sense

The sensory system that contributes to balance and spatial orientation by sensing gravity and motion.

Kinesthesis

The sense of movement and body position, allowing individuals to be aware of their limbs and body parts in space without having to see them.