Taylor Series Exploration
A Grade 12 Calculus worksheet exploring Taylor series, focusing on definition, expansion, and common applications.
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Taylor Series Exploration
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Read each question carefully and provide detailed answers. Show all your work for full credit. Remember the Taylor series expansion formula: f(x) = Σ [fⁿ(a) / n!](x - a)ⁿ from n=0 to ∞.
1. A Taylor series is a representation of a function as an infinite sum of calculated from the values of the function's derivatives at a single point.
2. When the Taylor series is centered at a = 0, it is called a series.
3. The radius of convergence of a Taylor series determines the interval for which the series to the function.
1. Which of the following functions is represented by the Taylor series expansion Σ (xⁿ / n!) centered at x = 0?
sin(x)
cos(x)
eˣ
ln(1+x)
2. What is the value of 'a' when expanding a Maclaurin series?
1
0
Any real number
Undefined
1. Find the first three non-zero terms of the Taylor series for f(x) = sin(x) centered at a = π/2.
2. Determine the Taylor series for f(x) = eˣ centered at a = 1.
1. The Taylor series for a polynomial function is always the polynomial itself.
True
False
2. A Maclaurin series is a special case of a Taylor series where the series is centered at any point 'a'.
True
False
1. Use a Taylor series to approximate the value of √e to three decimal places. (Hint: Use the Taylor series for eˣ centered at a = 0 and evaluate at x = 0.5)