Math Problem Statement
Solution
The given series is:
This series resembles the Maclaurin series (Taylor series expansion around ) of the exponential function , which is:
Here, the signs alternate between positive and negative, suggesting it matches the series expansion of , which is:
Substitution of :
Setting into , we get:
Conclusion:
The sum of the given series is:
Would you like further clarification on any step?
Related Questions:
- What is the Maclaurin series for and ?
- How do you determine the sum of an infinite geometric series?
- What is the role of factorials in Taylor or Maclaurin series?
- Why does substituting simplify the exponential function?
- How do you verify the convergence of a series?
Tip:
Always compare a given series to known series (e.g., exponential, trigonometric, logarithmic) for quick identification and summation!
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Math Problem Analysis
Mathematical Concepts
Maclaurin Series
Exponential Function
Series Summation
Formulas
e^x = 1 + x + x^2 / 2! + x^3 / 3! + x^4 / 4! + ...
e^{-x} = 1 - x + x^2 / 2! - x^3 / 3! + x^4 / 4! - ...
e^{-ln(2)} = 1 / e^{ln(2)} = 1 / 2
Theorems
Maclaurin Series Expansion
Exponential Function Properties
Suitable Grade Level
Undergraduate (Calculus I/II)