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SIGMA  NOTATIOM, SEQUANCES AND SERIES
MAIN TOPIC ,[object Object],[object Object],[object Object],[object Object],[object Object]
OBJECTIVE ,[object Object],[object Object],[object Object],[object Object]
SEQUENCES and SERIES ,[object Object],[object Object],[object Object],[object Object],[object Object]
INFINITE SEQUENCES ,[object Object],[object Object],[object Object],[object Object],First three terms Fifth teen term INFINITE SEQUENCES
EXERCISE 1 :  Finding terms of a sequence ,[object Object],A B C D E F
Definition of Sigma Notation  Consider the following addition : Based on the patterns of the addends, the addition above can be written in the following form 2  +  5  +  8  +  11  +  14  = (3(1) – 1) + (3(2) – 1) + (3(3) – 1) + (3(4) – 1) + (3(5) – 1) + (3(6) – 1)  2  +  5  +  8  +  11  +  14
The amount of the term in the addition above can be written as (3i – 1). The term in the addition are obtained by substituting the value of  i  with  the value of 1, 2, 3, 4, and 5 to (3i – 1)  The  symbol  read as sigma, is used to simplify the expression of the addition of number with certain patterns. In order that you understand more, the addition above can be written as : = 2  +  5  +  8  +  11  +  14  =(3(1) – 1) + (3(2) – 1) + (3(3) – 1) + (3(4) – 1) + (3(5) – 1) + (3(6)-1)  =(3(1) – 1) + (3(2) – 1) + … + (3(i) – 1) + … + (3(6)-1)
[object Object],U 1   +  U 2   +  U 3   +  … +  U i   + …+  U n  = Where : i = 1 is the lower bound of the addition n is the upper bound of the addition
Example 1  : ,[object Object],[object Object],[object Object]
Answer : ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
Answer :
THEOREM OF SUMS Sum of a constant Sum of 2 infinite sequences
Arithmetic Sequence and Series
OBJECTIVE ,[object Object],[object Object],[object Object],[object Object]
THE  n th TERM OF AN ARITHMETIC SEQUENCES ,[object Object],[object Object],a, a + b, a + 2b, … , a + (n – 1)b U n  = a + (n – 1)b
ARITHMETIC SEQUENCES ,[object Object],[object Object],U 2  – U 1  = U 3  – U 2  = … = U n  – U n-1  = a constant b = U 2  – U 1
Example 1: ,[object Object],A.  1, 4, 7, 10, … B.  53, 48, 43, …
Answer : ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Answer : ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
EXERCISE 9: Finding a specific term of an arithmetic sequence ,[object Object],[object Object]
Answer : ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Answer : ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Formula for the middle Term of on Arithmetic Sequence
Example : ,[object Object]
Answer : ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
THE  n th PARTIAL SUM OF AN ARITHMETIC SEQUENCES ,[object Object],[object Object]
OBJECTIVE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
GEOMETRIC SEQUENCES ,[object Object],[object Object],[object Object]
Example : ,[object Object]
Answer: ,[object Object]
THE SUM OF AN INFINITE GEOMETRIC SERIES ,[object Object],[object Object]
THE  n th PARTIAL SUM OF AN GEOMETRIC SEQUENCES
Example : ,[object Object],[object Object],[object Object]
Answer ,[object Object],Sequence a geometric sequence : 2, 6, 18, 54, … Un Have a = 2 and r = 3 The Sum of the first n  term is :
THE SUM OF AN INFINITE GEOMETRIC SERIES ,[object Object],[object Object]
EXERCISE 17: Find the sum of infinite geometric series ,[object Object]
Answer : ,[object Object],[object Object]
APPLICATIONS OF ARITHMETIC AND GEOMETRIC SERIES
OBJECTIVE ,[object Object],[object Object],[object Object]
APPLICATION 1:  ARITHMETIC SEQUENCE ,[object Object],a 1  = 18 inches a 9  = 24 inches Figure 1
APPLICATION 2:  ARITHMETIC SEQUENCE ,[object Object],Figure 2
APPLICATION 1:  GEOMETRIC SEQUENCE ,[object Object],5  5 10 1.25  1.25 2.5  2.5 Figure 3
APPLICATION 2:  GEOMETRIC SEQUENCE ,[object Object],Figure 4

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Barisan dan deret .ingg

  • 1. SIGMA NOTATIOM, SEQUANCES AND SERIES
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7. Definition of Sigma Notation Consider the following addition : Based on the patterns of the addends, the addition above can be written in the following form 2 + 5 + 8 + 11 + 14 = (3(1) – 1) + (3(2) – 1) + (3(3) – 1) + (3(4) – 1) + (3(5) – 1) + (3(6) – 1) 2 + 5 + 8 + 11 + 14
  • 8. The amount of the term in the addition above can be written as (3i – 1). The term in the addition are obtained by substituting the value of i with the value of 1, 2, 3, 4, and 5 to (3i – 1) The symbol read as sigma, is used to simplify the expression of the addition of number with certain patterns. In order that you understand more, the addition above can be written as : = 2 + 5 + 8 + 11 + 14 =(3(1) – 1) + (3(2) – 1) + (3(3) – 1) + (3(4) – 1) + (3(5) – 1) + (3(6)-1) =(3(1) – 1) + (3(2) – 1) + … + (3(i) – 1) + … + (3(6)-1)
  • 9.
  • 10.
  • 11.
  • 12.
  • 14. THEOREM OF SUMS Sum of a constant Sum of 2 infinite sequences
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21.
  • 22.
  • 23.
  • 24.
  • 25. Formula for the middle Term of on Arithmetic Sequence
  • 26.
  • 27.
  • 28.
  • 29.
  • 30.
  • 31.
  • 32.
  • 33.
  • 34. THE n th PARTIAL SUM OF AN GEOMETRIC SEQUENCES
  • 35.
  • 36.
  • 37.
  • 38.
  • 39.
  • 40. APPLICATIONS OF ARITHMETIC AND GEOMETRIC SERIES
  • 41.
  • 42.
  • 43.
  • 44.
  • 45.