tmua 2023 Q10

tmua · Uk · paper1 1 marks Numerical integration Riemann Sum Computation from a Given Formula
The trapezium rule with 4 strips is used to estimate the integral:
$$\int _ { - 2 } ^ { 2 } \sqrt { 4 - x ^ { 2 } } d x$$
What is the positive difference between the estimate and the exact value of the integral?
..... 12
The trapezium rule with 4 strips is used to estimate the integral:

$$\int _ { - 2 } ^ { 2 } \sqrt { 4 - x ^ { 2 } } d x$$

What is the positive difference between the estimate and the exact value of the integral?