2 14. Given that g(x) (1+x)(1+3x2)' a. Express g(x) in partial fractions, hence b. Evaluate g(x)dx, c. Expand g(x) as a series in ascending powers of x, up to and including the term in x'.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter6: Linear Systems
Section6.6: Partial Fractions
Problem 62E: Match the rational expression on the left with the correct partial fraction decomposition form on...
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Solve Q14a, b & c showing clearly all steps involved

in partial fractions, and hence expand this function in a series of ascending powers
9. Express
(x+2)(x-1)
of x as far as the term in x. Determine the set of values of x for which the expansion is valid.
%3D
1
in partial fractions. Use the substitutions t= tan x to show that
10. Express
(3t+1)(t+3)
dx =-In3.
8
1
dt. Hence, show that: 4
1
0 3+5sin2x
4.
ニ
0 3+5sin2x
(3t+1)(y+3)
3 t
x+x?
in partial fractions and hence show that f(x)dx
20
11. Express f(x), where f(x)
13 In2
(x²+1)(x-2)
10
5x+3
2 12. Express f(x) =
in partial fractions.
(1+3x)(1+x)
2
13. Express
in partial fractions. Hence solve the differential equation:
(1+x)(1+3x)
dy
2(y+2)
given that y = -1 when x = 0.
dx
(1+x)(1+3x)'
14. Given that g(x) =
(1+x)(1+3x²)’
a. Express g(x) in partial fractions, hence
b. Evaluate g(x)dx,
c. Expand g(x) as a series in ascending powers of x, up to and including the term in x'.
6x + 1
6x+1
15. Express
in partial fractions, hence prove that
,
2 (2x-3)(3x-2)
dx = In 10
(2x – 3)(3x – 2)
1
16. Express
into partial fractions.By using the substitution t = tan x, or otherwise show
(3t+1)(t+1)
TT
dx
that 3+5sin 2x
= In 2.
||
X-1
17. Express f(x)
into partial fractions. Hence or otherwise obtain the first three terms of the
(x+1) (x-3)
binomial expansion of (fx), stating the range of values of x for which the expansion is valid.
Transcribed Image Text:in partial fractions, and hence expand this function in a series of ascending powers 9. Express (x+2)(x-1) of x as far as the term in x. Determine the set of values of x for which the expansion is valid. %3D 1 in partial fractions. Use the substitutions t= tan x to show that 10. Express (3t+1)(t+3) dx =-In3. 8 1 dt. Hence, show that: 4 1 0 3+5sin2x 4. ニ 0 3+5sin2x (3t+1)(y+3) 3 t x+x? in partial fractions and hence show that f(x)dx 20 11. Express f(x), where f(x) 13 In2 (x²+1)(x-2) 10 5x+3 2 12. Express f(x) = in partial fractions. (1+3x)(1+x) 2 13. Express in partial fractions. Hence solve the differential equation: (1+x)(1+3x) dy 2(y+2) given that y = -1 when x = 0. dx (1+x)(1+3x)' 14. Given that g(x) = (1+x)(1+3x²)’ a. Express g(x) in partial fractions, hence b. Evaluate g(x)dx, c. Expand g(x) as a series in ascending powers of x, up to and including the term in x'. 6x + 1 6x+1 15. Express in partial fractions, hence prove that , 2 (2x-3)(3x-2) dx = In 10 (2x – 3)(3x – 2) 1 16. Express into partial fractions.By using the substitution t = tan x, or otherwise show (3t+1)(t+1) TT dx that 3+5sin 2x = In 2. || X-1 17. Express f(x) into partial fractions. Hence or otherwise obtain the first three terms of the (x+1) (x-3) binomial expansion of (fx), stating the range of values of x for which the expansion is valid.
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