Consider the rational function 2x5 f(x) = 9x4 + 4x3 – 18x² – 28x + 12 2x3 x2 + 6x – 3 where 2x – x² + 6x – 3 = (2x – 1)(x² +3). - (a) Decompose f(x) into partial fractions. (b) Hence find the antiderivative of f(x). You may use the following standard antiderivative result, that we have not studied in the course: 1 1 (:). -1 dx = - tan a + 0. x² + a2 a (c) Find the exact value of | f(x) dx, simplifying your answer as much as possible.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section: Chapter Questions
Problem 14T
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Question
Consider the rational function
2x5 – 9x4 + 4x³ –
18x? – 28x + 12
f (x) =
2x3
х? + 6х — 3
where 2x – x² + 6x – 3 = (2x – 1)(x² + 3).
-
(a) Decompose f(x) into partial fractions.
(b) Hence find the antiderivative of f(x). You may use the following standard antiderivative
result, that we have not studied in the course:
1
dx
x2 + a2
1
I tan
-1
a # 0.
-
а
(c) Find the exact value of
f(x) dx, simplifying your answer as much as possible.
-1
Transcribed Image Text:Consider the rational function 2x5 – 9x4 + 4x³ – 18x? – 28x + 12 f (x) = 2x3 х? + 6х — 3 where 2x – x² + 6x – 3 = (2x – 1)(x² + 3). - (a) Decompose f(x) into partial fractions. (b) Hence find the antiderivative of f(x). You may use the following standard antiderivative result, that we have not studied in the course: 1 dx x2 + a2 1 I tan -1 a # 0. - а (c) Find the exact value of f(x) dx, simplifying your answer as much as possible. -1
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