Consider the indefinite integral x4(8 + 6x5)7 dx. (a) The most appropriate substitution is u = 8+6x5 (b) After making the substitution, we obtain the integral (c) Solving this integral (in terms of u) yields (d) Substituting for u we obtain the answer 1 u8 30 9 / 30x4 •√x ² (8 + 6x³) X + C. 4(8 + 6x5)7 dx = X (8+6x5)8 30 )du. X + C.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 51E
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Consider the indefinite integral
[x4(8 + 6x5)7 dx.
(a) The most appropriate substitution is u =
(b) After making the substitution, we obtain the integral
SC
(c) Solving this integral (in terms of u) yields
8+6x5
(d) Substituting for u we obtain the answer
1
30
+ √x² (8
●
8
U
9
30x4
X + C.
4(8 + 6x5)7 dx
=
X
(8+6x5)8
30
)
du.
X + C.
Transcribed Image Text:Consider the indefinite integral [x4(8 + 6x5)7 dx. (a) The most appropriate substitution is u = (b) After making the substitution, we obtain the integral SC (c) Solving this integral (in terms of u) yields 8+6x5 (d) Substituting for u we obtain the answer 1 30 + √x² (8 ● 8 U 9 30x4 X + C. 4(8 + 6x5)7 dx = X (8+6x5)8 30 ) du. X + C.
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