Series 1 5.2 General Series (1/4) Series Notation n T n = 2n - 3 Term Number n (n must be positive)...

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1 Series Series 5.2 General Series (1/4) Series Notation Series Notation T n = 2n - 3 Term Number ( n n must be positive) Example: Find the 12 th term T 12 12 = 2 x 12 - 3 = 2 1

Transcript of Series 1 5.2 General Series (1/4) Series Notation n T n = 2n - 3 Term Number n (n must be positive)...

Page 1: Series 1 5.2 General Series (1/4) Series Notation n T n = 2n - 3 Term Number n (n must be positive) Example: Find the 12 th term 12 T 12 = 2 x 12 - 3 =

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Serie

s

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s5.2 General Series (1/4)

Series NotationSeries NotationTnn = 2n - 3

Term Number (nn must be positive)

Example:

Find the 12th term

T1212 = 2 x 12 - 3= 2 1

Page 2: Series 1 5.2 General Series (1/4) Series Notation n T n = 2n - 3 Term Number n (n must be positive) Example: Find the 12 th term 12 T 12 = 2 x 12 - 3 =

2

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s

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s5.2 General Series (2/4)

5

1r

2r

Sigma NotationSigma NotationThe Greek letter Σ means to sum a series.

21 22 23 24 25

1 4 9 16 25

55

Page 3: Series 1 5.2 General Series (1/4) Series Notation n T n = 2n - 3 Term Number n (n must be positive) Example: Find the 12 th term 12 T 12 = 2 x 12 - 3 =

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s

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s5.2 General Series (3/4)

5

3m

1m2

Sigma NotationSigma NotationThe Greek letter Σ means to sum a series.

)13x2(

5

)14x2( )15x2(

7 9

21

Page 4: Series 1 5.2 General Series (1/4) Series Notation n T n = 2n - 3 Term Number n (n must be positive) Example: Find the 12 th term 12 T 12 = 2 x 12 - 3 =

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s5.2 Finding the Mean using Σ (4/4)

Scorex

Tally Freq fxf12345

Σf = Σfx =

34762

1x332x483x7214x6245x210

22 66

ΣfxΣf

x =

6622

=

= 3

xxxxx