The truncation error in calculating f '(4) for f(x) = 11x³ by using f(x+h) − f (x) approximation with h = 0.5 most nearly f'(x) = h is
The truncation error in calculating f '(4) for f(x) = 11x³ by using f(x+h) − f (x) approximation with h = 0.5 most nearly f'(x) = h is
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
Expert Solution
Step 1
If f(x) = 11x3 , then,
f'(x) = 11.3x2 = 33x2 .
So, actual value of f'(4) is
f'(4) = 33×42
= 33×16
= 528
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