me that F : R→ R IS an arbitrary differentl le function and show that the vector fie B(x,y) = –F(p(x, y)) y i + F(p(x,y)) x j fulfils Gauss's equation div(B)(r) = 0. Using the chain rule show that (x, y) = –F'(p(x, y))æy/p(x, y), ƏB2 (x, y) = F' (p(x, y))æy/p(x, y). %3|

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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Assume that F : R → Ris an arbitrary differentiable function and show that the vector field
B(x, y) = –F(p(x, y)) y i + F(p(x, y)) x j
%3D
fulfils Gauss's equation div(B)(r) = 0.
Using the chain rule show that
aB2
(x, y) = F' (p(x, y))xy/p(x, y).
dy
(x, y) = –F'(p(x, y))xy/p(x, y),
Transcribed Image Text:Assume that F : R → Ris an arbitrary differentiable function and show that the vector field B(x, y) = –F(p(x, y)) y i + F(p(x, y)) x j %3D fulfils Gauss's equation div(B)(r) = 0. Using the chain rule show that aB2 (x, y) = F' (p(x, y))xy/p(x, y). dy (x, y) = –F'(p(x, y))xy/p(x, y),
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