W 4. Approximate the following integrals using the trapezoid rule. (Round answer to three decimal places.) 7 S sin² (πx)dx; use n = 3 subintervals √ 6 ☐ 5. Approximate the following integrals using the midpoint rule. (Round answer to three decimal places.) +6 L 3 √3+x+dx; use n = 6 subintervals 70.09519 ○ 63.18564 63.37607 ☐ 63.24915

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