(a). Given A=ax - ay, B=2az, and C=-ax + 3ay, find: (i) A. BxC Ans.-4 ii) (Ā xB ) XC Ans. -8az (b) Use spherical coordinates to write the differential surface areas dS1, and dS2, and then integrate to obtain the areas of the surfaces marked land 2in FIG.Q1(b). π Ans. 6 dS₁ dS₂ FIG. Q1(b)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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(a). Given A=ax - ay, B=2az, and C=-ax + 3ay, find:
(i) A. BxC
Ans.-4
ii) (Ā xB ) XC
Ans. -8az
(b) Use spherical coordinates to write the differential surface areas dS1, and dS2, and then integrate to
obtain the areas of the surfaces marked land 2in FIG.Q1(b).
π
Ans.
6
dS₁
dS₂
FIG. Q1(b)
Transcribed Image Text:(a). Given A=ax - ay, B=2az, and C=-ax + 3ay, find: (i) A. BxC Ans.-4 ii) (Ā xB ) XC Ans. -8az (b) Use spherical coordinates to write the differential surface areas dS1, and dS2, and then integrate to obtain the areas of the surfaces marked land 2in FIG.Q1(b). π Ans. 6 dS₁ dS₂ FIG. Q1(b)
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