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Chapter 9-H Strategies for Testing series

Chapter 9-H Strategies for Testing series . Strategies. C lassify the series to determine which test to use. 1. If then the series diverges . This is the nth Term Test for divergence.

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Chapter 9-H Strategies for Testing series

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  1. Chapter 9-H Strategies for Testing series

  2. Strategies Classify the series to determine which test to use. 1. If then the series diverges. This is the nth Term Test for divergence. 2. Look to see if the series is a p-series . If so it will converge if p > 1 and diverge if p ≤ 1. 3. Look to see if the series is a geometric series. If so it will converge if r < 1. If r ≥ 1 then it will diverge. ( you may need to manipulate the series algebraically to get it into the proper form)

  3. Strategies cont. 4. If your series is similar to a p-series or a geometric series try a comparison test. Applies only to series with positive terms 5. If the terms of your series alternate between positive and negative try the alternating series test.

  4. Strategies cont. 6. If your series contains factorials or a constant raised to the power n try the ratio test (but don’t bother with the ratio test for a p-series). 7. If the series is of the form Ʃ(bn)ntry the root test. 8. If an = f(n) where is easily evaluated try the integral test. 9. Telescoping series: write out series and cancel terms

  5. 1.

  6. 2.

  7. 2 cont. Find the limit

  8. 3.

  9. 4.

  10. 4. cont.

  11. 4. cont

  12. 5.

  13. 5. cont

  14. 5. cont

  15. 6.

  16. 6. cont

  17. 7.

  18. 8. Determine the convergence or divergence of the series

  19. 9. Determine the convergence or divergence of the series

  20. 10. Determine the convergence or divergence of the series

  21. 11. Determine the convergence or divergence of the series

  22. 12. Determine the convergence or divergence of the series

  23. Home Work Page 690 # 43, 45, 46, 48, 56, 58, 66, 68, 70, 73-78, 87, 89, 94, 97, 98, and 90

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