- Find R 7(x + y) sin(x − y) dA, where R is the triangular region whose verticies are (-5, 5), (5,5) and (0,0). Use the chang variables u = x + y and v = x - y. (Give an exact answer. Use symbolic notation and fractions where needed.)
- Find R 7(x + y) sin(x − y) dA, where R is the triangular region whose verticies are (-5, 5), (5,5) and (0,0). Use the chang variables u = x + y and v = x - y. (Give an exact answer. Use symbolic notation and fractions where needed.)
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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Transcribed Image Text:-
Find R 7(x + y) sin(x − y) dA, where R is the triangular region whose verticies are (−5, 5), (5, 5) and (0, 0). Use the change
variables u = x + y and v = x − y.
-
(Give an exact answer. Use symbolic notation and fractions where needed.)
DIR
Incorrect
7(x + y) sin(x − y) dA
-
=
175 (cos(10) - 1)
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