Evaluate integral from 3 to 9 : ds∫3 9 8/s^2ds using the trapezoidal rule and simpson's rule. determine: i. the value of the integral directly. ii. the trapezoidal rule estimate for n=4. iii. an upper bound for |et| . iv: the upper bound for |et| as a percentage of the integral's true value. v. the simpson's rule estimate for n=4. vi. an upper bound for |es| vii. the upper bound for |es| as a percentage of the integral's true value.