methods used in finding sum of series

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i was looking in hall and knight and ound that there were various methods to solve the same sum like the sum of 1.2.3 +3.4.5 i typicallly do these methods by the sigma method and i ifnd this cupled with some iq an metho of differences and partial fractions enough for this chaptr
is it advisable to learn the the more complicated workings of mehtods of differences means is it helpful???

#Mathematics #Algebra

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2 Answers

39

Dr.House ·2010-01-20 12:21:51

no

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govind ·2010-01-23 02:50:07

take a look at this method also
http://www.goiit.com/posts/list/community-shelf-summation-of-series-83362.htm

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Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

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∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω