Question
Asked Oct 5, 2019
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Part 1, 2, and 3

73
7. Let =Σx. Showeach of the following
η
(1) Σ(-I) =0
Η
(2)Σ - π
( 3) Σx-
Ε
Ν
Ν
Σ-30 -) Σ - D Σ-3y
(4)
Σ-3
-1
-1
Η
Η
Σ-3 Σ-3
i-1
i-1
-1
Η
Σ-3 - D Συ!-D)
(5)
Σα-3
-1
Λ
Ε
Σ-)
-1
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73 7. Let =Σx. Showeach of the following η (1) Σ(-I) =0 Η (2)Σ - π ( 3) Σx- Ε Ν Ν Σ-30 -) Σ - D Σ-3y (4) Σ-3 -1 -1 Η Η Σ-3 Σ-3 i-1 i-1 -1 Η Σ-3 - D Συ!-D) (5) Σα-3 -1 Λ Ε Σ-) -1

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Expert Answer

Step 1

(1) The proof for first part is,

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1 Σ(.). n 1 Consider )+ (x -x)+(x, -x (- (x+x2+x,)-nx Σ0) 1 Substituting x,)-n п -Σ%)-Σκ) =0

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Step 2

(2) The proof for se...

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Mi-F (Using the property of summation) i1 i-1 =nx

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