Consider the Taylor series for f(x) = In(1+x) expanded about ro = 0, which is %3D + 3 2 x* + 4 Approximate the function f(x) at x = -0.4 using the Taylor expansion of degree 2. f(-0.4) - number (3 significant figures) Approximate the second derivative of f(x) at x = -0.3 by computing the second derivative of the Taylor expansion of degree 3. f"(-0.3) × number (3 significant figures)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Consider the Taylor series for f(x) = In(1+ x) expanded about ro = 0, which is
x4
25
3
4
Approximate the function f(x) at x = -0.4 using the Taylor expansion of degree 2.
f(-0.4) z
number (3 significant figures)
Approximate the second derivative of f(x) at x =
-0.3 by computing the second derivative of the Taylor
expansion of degree 3.
f"(-0.3) 2
number (3 significant figures)
If we evaluate f(x) as x –
+- what is the exponent of the tightest asymptotic (big-O) bound on
the error as x → 0? Your answer should be the integer n, following the big-O notation O(x").
n =
integer
Transcribed Image Text:Consider the Taylor series for f(x) = In(1+ x) expanded about ro = 0, which is x4 25 3 4 Approximate the function f(x) at x = -0.4 using the Taylor expansion of degree 2. f(-0.4) z number (3 significant figures) Approximate the second derivative of f(x) at x = -0.3 by computing the second derivative of the Taylor expansion of degree 3. f"(-0.3) 2 number (3 significant figures) If we evaluate f(x) as x – +- what is the exponent of the tightest asymptotic (big-O) bound on the error as x → 0? Your answer should be the integer n, following the big-O notation O(x"). n = integer
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