Chapter 14.4, Problem 14E

To determine

To find: linearization $L\left(x,y\right)$ of a function $f\left(x,y\right)=x{\left(1+y\right)}^{-1}$ at $\left(a,b\right)=\left(8,1\right)$.

Also use it to estimate $\frac{7.98}{2.02}$ and compare with value obtained using calculator.