2. (a) Find the unique polynomial of degree 2 or less such that f(0) = 1, f(1) = 3, f(3) = 55 using (i) the Lagrange interpolation (ii) the Newton divided difference interpolation.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 67E
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2. (a) Find the unique polynomial of degree 2 or less such that f(0) = 1, f(1) = 3, f(3) = 55
using
(i) the Lagrange interpolation
(ii) the Newton divided difference interpolation.
(b) Find the values of y at z = 21 and 2 = 28 from the following data:
x
20
23
26
29
y
0.3420
0.3907 0.4384
0.4848
Transcribed Image Text:2. (a) Find the unique polynomial of degree 2 or less such that f(0) = 1, f(1) = 3, f(3) = 55 using (i) the Lagrange interpolation (ii) the Newton divided difference interpolation. (b) Find the values of y at z = 21 and 2 = 28 from the following data: x 20 23 26 29 y 0.3420 0.3907 0.4384 0.4848
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