Use Simpson's Rule to Approximate the Integral with Answers Rounded $$\int _ { - 1 } ^ { 1 } \sqrt { x ^ { 2 } + 1 } d x ; \quad n = 6$$

Short Answer

Use Simpson's Rule to approximate the integral with answers rounded to four decimal places.
$$\int _ { - 1 } ^ { 1 } \sqrt { x ^ { 2 } + 1 } d x ; \quad n = 6$$