EP 1) Let D be the unit disc (the region inside the unit circle). Let L and R be the right half of the unit disc respectively, and let T and B be the top and bottom of the unit disc. Decide - without calculation - whether each of the following integrals is positive, negative, or zero. a) S SR 3xd A. d) ffB (y-y³) dA. g) ff cos x dA. b) ff 3xd A. e) f f (y-y³) dA. h) S ST-ye¹ d.A. c) SSB 3xd.A. f) SSD sin x da i) SSB в cos y dA.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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EP 1) Let D be the unit disc (the region inside the unit circle). Let L and R be the right half of the unit disc respectively, and let T and B be the top and
bottom of the unit disc. Decide - without calculation - whether each of the following integrals is positive, negative, or zero.
a) S SR 3xd A.
d) S SB (y - y³) dA.
g) ff cos x d.A.
b) f ₁ 3xd A.
e) SSD (y – y³) dA.
h) S ST-ye¹ d.A.
c) S SB 3xdA.
f) SSD sin x dA
i) f S x cos y dA.
B
Transcribed Image Text:EP 1) Let D be the unit disc (the region inside the unit circle). Let L and R be the right half of the unit disc respectively, and let T and B be the top and bottom of the unit disc. Decide - without calculation - whether each of the following integrals is positive, negative, or zero. a) S SR 3xd A. d) S SB (y - y³) dA. g) ff cos x d.A. b) f ₁ 3xd A. e) SSD (y – y³) dA. h) S ST-ye¹ d.A. c) S SB 3xdA. f) SSD sin x dA i) f S x cos y dA. B
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