Numerical Analysis
10th Edition
ISBN: 9781305253667
Author: Richard L. Burden, J. Douglas Faires, Annette M. Burden
Publisher: Cengage Learning
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Suppose the coefficients of the cubic polynomial p(x) = a +bx+cx^2+dx^3 satisfy the equation: a+b/2+c/3+d/4 = 0
show that the equation p(x) = 0 has a root between 0 and 1. Can you generalize this result for an nth-degree polynomial?
Find the numerical solution of the following fourth-degree polynomial has a real zero (14)
f(x) = (219 + d)x4 + (9 + d)x3 + (4 + d)x2 − 211x − d,
in [0, 1]. Attempt to approximate the zero to within 10−4 using the Secant method
Use the Intermediate Value Theorem to show there is a solution to x2 − 16 = 2 in the x2 − 9interval (1, 2).
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