Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Question
Can you help me solve 5?
Thank you!

Transcribed Image Text:6.
sec Ꮎ dᎾ .
2
(b) Evaluate I in terms of (refer to the table of integrals on page 412 in
Section 7.2 if necessary).
(c) Express I in terms of x.
8.
dx
4.
= √(x² + 4) ²
(a) Show that the substitution x = 2 tan transforms the integral I into i
1
10.
I
(b) Use the formula
terms of 0.
(c) Show that sin =
[ cos² e de.
I co
x²
√1-x²ols
dx
√√125²√5² +4²
1
L'
(d) Express I in terms of x.
In Exercises 5-10, use the indicated substitution to evaluate the integral.
4
5. √ √T
/16-5x² dx, x====== sin 0
√5
1/2
dx
(4+4x²)²¹
cos² 0 do = 1/20 + 1/20
de
Evaluate
X
√x²+4
and cos 0 =
dx, x = sin 0
x = 2 tan 0
x = tan 0
7.
sin cos to evaluate I in
9.
2
√√x²+4
dx
x√√x²-9
1=
dx
(x²-4)3/2¹
S
x = 3 sec 0
x dx
s
√x²-4
==x²-4 and by trigonometric substitution.
2. Is the substitution u = x² - 4 effective for evaluating the integral
x = 2 sec 0
hatitution
in two ways: using the direct substitution
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