17. 19. 21. 23. 25. 27. 29. 31. Evaluating an Improper Improper Integral In Exercises 17-32, determine whether the improper integral diverges or converges. Evaluate the integral if it converges. 1 dx 18. S (x 1)4 dx 4 20. [₁ + x² X 22. - 4x xe dx 24. ex cos x dx In x 26. dx X 28. 30. 32. [2013 3 dx 3√x S₁ foe ex/3 dx x²e-x dx fo S po 1 x(In x)³ 4 16 + x² Soo Jo A [infinity] 1 et + dx соs лx dx dx dx -[infinity] Sove S. fo f. ² dx x³ (x² + 1)² ex 1 + ex dx si sin = dx 2 dx