Use Fubini's Theorem to evaluate the double integral ff f(x,y) dA, where f(x, y) =-3x²-x²y - 3y² and R R = [2, 4] × [0, 4], by first integrating with respect to y and then with respect to x. Enter an exact answer. Provide your answer below: SSRf(x,y)dA=

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Use Fubini's Theorem to evaluate the double integral 

\[
\int\int_R f(x,y) \, dA
\]

where 

\[
f(x,y) = -3x^2 - x^2y - 3y^2
\]

and 

\[
R = [2, 4] \times [0, 4]
\]

by first integrating with respect to \( y \) and then with respect to \( x \). Enter an exact answer.

Provide your answer below:

\[
\int\int_R f(x,y) \, dA = \boxed{\phantom{ }} 
\]
Transcribed Image Text:Use Fubini's Theorem to evaluate the double integral \[ \int\int_R f(x,y) \, dA \] where \[ f(x,y) = -3x^2 - x^2y - 3y^2 \] and \[ R = [2, 4] \times [0, 4] \] by first integrating with respect to \( y \) and then with respect to \( x \). Enter an exact answer. Provide your answer below: \[ \int\int_R f(x,y) \, dA = \boxed{\phantom{ }} \]
Expert Solution
Step 1

Given,

f(x,y)=-3x2-x2y-3y2 and R=2,4×0,4

To evalute: Rf(x,y)dA by using Fubini's Theorem 

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