Evaluate the following double integrals. [*cos(x) dx dy (a)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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4. Evaluate the following double integrals.
[L cost
f f
(a)
(1) J ₁¹
cos(r) dr dy
12r² dA where R is the rectangle defined by the z-axis the y-axis, r = 2, and y = 3.
1₁
12r² dA, where Q is the quadrilateral defined by the r-axis, the y-axis, and the lines x+y=1
and x+y= 2.
Transcribed Image Text:4. Evaluate the following double integrals. [L cost f f (a) (1) J ₁¹ cos(r) dr dy 12r² dA where R is the rectangle defined by the z-axis the y-axis, r = 2, and y = 3. 1₁ 12r² dA, where Q is the quadrilateral defined by the r-axis, the y-axis, and the lines x+y=1 and x+y= 2.
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