Use the Midpoint Rule with N = 6 to Approximate $\int _ { 2 } ^ { 8 } \frac { 1 } { 1 + x ^ { 2 } } d x$

Use the Midpoint Rule with n = 6 to approximate $\int _ { 2 } ^ { 8 } \frac { 1 } { 1 + x ^ { 2 } } d x$