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Table of contents

  • 1. Definition of sequence, Type of sequence (1)
  • 2. Solution of sequence, Exercise 6.1, Question 1(i) (3)
  • 3. First four terms of sequence, Exercise 6.1, Question 1 (v) (5)
  • 4. Next three terms of sequence, Exercise 6.1, Question 1 (viii) (7)
  • 5. Required 7th term of sequence, Exercise 6.1, Question 2 (i) (v9)
  • 6. Find 7th term using rational terms, Exercise 6.1, Question 2 (iii) (v11)
  • 7. Find next two terms of sequence, Exercise 6.1, Question 3 (i) (v13)
  • 8. Next consecutive two terms of sequence, Exercise 6.1, Question 3 (iii) (15)
  • 9. Definition of arithmetic progression (A.P.) (v17)
  • 10. First four terms of arithmetic sequence, Exercise 6.2, Question 1 (i,ii) (v20)
  • 11. 12th term of arithmetic sequence, Exercise 6.2, Question 3 (v22)
  • 12. Term number of arithmetic sequence, Exercise 6.2, Question 6 (24)
  • 13. Checking for terms of AP, Exercise 6.2, Question 10 (v26)
  • 14. Use of common difference of A.P., Exercise 6.2, Question 13 (v28)
  • 15. Definition of Arithmetic Mean (A.M.) (v30)
  • 16. Find AM between two values, Exercise 6 . 3, Question 1 (i, ii, iii ) (v31)
  • 17. Four arithmetic Means, Exercise 6.3, Question 4 (v33)
  • 18. Find n if Arithmatic Mean is given, Exercise 6.3, Question 7 (v35)
  • 19. Definition of series (v37)
  • 20. Sum of integral multiples, Exercise 6.4, Question 1 (v39)
  • 21. Terms of series, Exercise 6.4, Question 3(i) (v41)
  • 22. Sum the series, Exercise 6.4, Question 4(i) (v43)
  • 23. Sum of 20 terms, Exercise 6.4 , Question 5 (v45)
  • 24. Sum of first 1000 integer which are not divisible by 5 and 2, Exercise 6.4 , Question 9 (v47)
  • 25. Find the series, Exercise 6.4, Question 13 (v49)
  • 26. Proof of A.P., Exercise 6.4, Question 18 (v51)
  • 27. Sum the series, Exercise 6.5, Question 1 (v53)
  • 28. Word problems of sum of the series, Exercise 6.5, Question 4 (v55)
  • 29. Sum of interior angles of 16 sided polygon, Exercise 6.5, Question 8 (v57)
  • 30. Definition of geometric sequence (v59)
  • 31. 5th term of the G.P, Exercise 6.6 , Question 1 (v62)
  • 32. Effects of depreciation in automobile, Exercise 6.6, Question 5 (v64)
  • 33. Reciprocals form of geometric sequence, Exercise 6.6, Question 8 (v68)
  • 34. Common Ratio, Exercise 6.6, Question 12 (v70)
  • 35. Definition of geometric means, N geometric means between two given numbers (v72)
  • 36. Insert two G.M. between two numbers, E8xercise 6.7, Question 2(i) (v75)
  • 37. Geometric Mean is less than Arithmetic Mean, Exercise 6.7, Question 5 (v78)
  • 38. Proof for positive Geometric Mean, Exercise 6.7, Question 6 (v79)
  • 39. Concept of Sum of n geometric series, Infinite geometric series (v81)
  • 40. Find sum of first 15 terms of geometric sequence, Exercise 6.8, Question 1 (v85)
  • 41. Sum to n terms, Exercise 6.8, Question 2(ii) (v87)
  • 42. Sums of infinite geometric series, Exercise 6.8, Question 5(i) (v89)
  • 43. Vulgar fractions equivalent to recurring decimals, Exercise 6.8, Question 6(i) (v91)
  • 44. Sum to infinity of the series, Exercise 6.8, Question 7 (v93)
  • 45. Total distance travel before coming to rest, Exercise 6.8, Question 10 (v95)
  • 46. Proof using given series, Exercise 6.8, Question 13(i) (v97)
  • 47. Deposited amount, Exercise 6.9, Question 1 (v101)
  • 48. Increase in population, Exercise 6.9, Question 3 (v103)
  • 49. Counting of n hours by using sequence, Exercise 6.9, Question 5 (v105)
  • 50. 9th term of the harmonic sequence, Exercise 6.10, Question 1(i) (v111)
  • 51. Five harmonic means, Exercise 6.10, Question 3(i) (v115)
  • 52. Harmonic mean between two values, Exercise 6.10, Question 7 (v120)
  • 53. Find unknown value using harmonic sequence, Exercise 6.10, Question 8 (v121)
  • 54. Find n using harmonic mean, Exercise 6.10, Question 9 (v122)
  • 55. Square of geometric mean, Exercise 6.10, Question 12 (v124)
  • 56. Find all means between 2 numbers, Exercise 6.10, Question 14(i) (v126)
  • 57. Use of geometric and harmonic mean, Exercise 6.10, Question 17 (v129)
  • 58. Definition of sigma notation (or Summation notation) (v131)
  • 59. Formulae for the sums (v132)
  • 60. Sum of the series by using summation, Exercise 6.11, Question 3 (v136)
  • 61. Four harmonic means, Exercise 6.10, Question 4(i) (v137)
  • 62. Sum of square of the series, Exercise 6.11, Question 5 (v138)
  • 63. Sum of the series having product of three terms, Exercise 6.11, Question 10 (v140)
  • 64. Sum of the series by using common difference, Exercise 6.11, Question 13 (v142)
  • 65. Sum of the series by using the nth term, Exercise 6.11, Question 14(i) (v143)
  • 66. Use of nth term to find the sum of the series, Exercise 6.11, Question 15(i) (v145)
  • 67. Sum to 2n terms, Exercise 6.11, Question 16(i) (v147)

Chapter 6: Sequences and Series (All videos)

  1. Math Grade 11th
  2. Chapter 6: Sequences and Series (All videos)
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Increase in population, Exercise 6.9, Question 3 (v103)

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