Evaluate the iterated integral. r2y (8 + 11x2 + 7y²) dx dy ly

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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Tutorial Exercise
Evaluate the iterated integral.
'2
2y
(8 + 11x2 + 7y2) dx dy
Step 1
Observe that the given iterated integral can be rewritten as follows.
(8 + 11x2 + 7y2)dx dy
Step 2
Now integrate the integrand inside the bracket with respect to x by taking y as a constant.
12y
dy
2
2y
(8 + 11x² + 7y²)dx dy
8 x
11x
+7y? x
+
ly
Step 3
The Fundamental Theorem of Calculus states that if a function is continuous on the closed interval [a, b] and
is an antiderivative of f on the interval [a, b], then
9.
|
f(x)dx = F(b) – F(a).
Applying this theorem, we have
11x3
+ 7y2x
3
' 8y3
+ 14y3 - (8y +
3
11y3
+ 7y
3
8х +
dy
16у + 11
dy
=
ly
y +
dy.
Transcribed Image Text:Tutorial Exercise Evaluate the iterated integral. '2 2y (8 + 11x2 + 7y2) dx dy Step 1 Observe that the given iterated integral can be rewritten as follows. (8 + 11x2 + 7y2)dx dy Step 2 Now integrate the integrand inside the bracket with respect to x by taking y as a constant. 12y dy 2 2y (8 + 11x² + 7y²)dx dy 8 x 11x +7y? x + ly Step 3 The Fundamental Theorem of Calculus states that if a function is continuous on the closed interval [a, b] and is an antiderivative of f on the interval [a, b], then 9. | f(x)dx = F(b) – F(a). Applying this theorem, we have 11x3 + 7y2x 3 ' 8y3 + 14y3 - (8y + 3 11y3 + 7y 3 8х + dy 16у + 11 dy = ly y + dy.
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