Chapter 13.4, Problem 14E

(a)

To determine

To calculate: The approximated area of $f\left(x\right)=\frac{2}{x+1}$ in the interval $\left[1,9\right]$, when $n=2$.

(b)

To determine

To calculate: The approximated area of $f\left(x\right)=\frac{2}{x+1}$ in the interval $\left[1,9\right]$, when $n=4$.

(c)

To determine

To calculate: The approximated area of $f(x)=\frac{2}{x+1}$ in the interval $\left[1,9\right]$, when $n=40$.