Chapter 8.6, Problem 8E

To determine

To evaluate: The double integral ${\displaystyle \underset{R}{\iint }f\left(x,y\right)}dA$ where $f\left(x,y\right)=\frac{y}{x^2}{e}^{\frac{y}{x}}$, R is the rectangle defined by $1\le x\le 2$ and $0\le y\le 1$.