48. Evaluate the surface integral. [12xz ds S is the part of the plane 2x +2y+z=4 that lies in the first octant. a. 1-48 b.1-53 c./ -83 d. 1-73 c. 1-63
48. Evaluate the surface integral. [12xz ds S is the part of the plane 2x +2y+z=4 that lies in the first octant. a. 1-48 b.1-53 c./ -83 d. 1-73 c. 1-63
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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#48

Transcribed Image Text:S is the part of the plane 2x +2y+z=4 that lies in the first octant.
47. Find the area of the surface.
The part of the plane r(u, v) = (Su +4y+6)i + (3u + 3y + 8)j + (2x+3v+6)k; 0≤us 6,0svs4
a. 24√67
b. √22
c. √√34
C.
d. √√38
48. Evaluate the surface integral.
12xz ds
a.
I-48
b. 1=53
c. I-83
d. I-73
e. 163
49. Evaluate the surface integral where S is the surface with parametric equations x=7uv,
y=6(u+v), z= 6(u-v), u²+v² 53.
[10yz ds.
a./=0
b. /-3
c./ = 10 +3m
d./- 10m
c./ = 10 + 7x
[
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