
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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only solute question c , please

Transcribed Image Text:(a) For all differentiable vector fields v(r) and w(r), use index notation to show that
x W) + w X
Χυ)
▼ (v.w) (v. V ) w w.
·V)v.
υχ
=
(b) In the (x, y)-plane, sketch the vector fields v = (y, 2y, 0) and w= (x- -y, x+y, 0),
clearly labelling which sketch is for which field.
(c) For the vector fields defined in part (b), evaluate separately each term in the iden-
tity given in part (a) and hence verify the identity in this case.
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