Chapter 14.5, Problem 31AYU

To determine

To verify: The entries in the below table:

Using Left end points	$\text{n}$	2	4	10	100
	Area	$\text{0}\text{.5}$	$\text{0}\text{.75}$	$\text{0}\text{.9}$	$\text{0}\text{.99}$
Using right end points	$\text{n}$	2	4	10	100
	Area	$\text{1}\text{.5}$	$\text{1}\text{.25}$	$\text{1}\text{.1}$	$\text{1}\text{.01}$