(a) Simplify the expression (Ř· VR) · Ã + V · V × V × ((Ā × R) x (R × Ã)). (b) Assuming Ả the position vector of a point on the unit sphere centered at the origin, evaluate the above expression at R = Ã.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
4. Assume A is a constant vector field and R = xi + yi + zk.
(a) Simplify the expression
(R. VR) · Ã+ V ·V × V × ((Ã × R) × (R × Ã)).
(b) Assuming A the position vector of a point on the unit sphere centered at the origin,
evaluate the above expression at R = A.
Transcribed Image Text:4. Assume A is a constant vector field and R = xi + yi + zk. (a) Simplify the expression (R. VR) · Ã+ V ·V × V × ((Ã × R) × (R × Ã)). (b) Assuming A the position vector of a point on the unit sphere centered at the origin, evaluate the above expression at R = A.
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