4. Assume Á is a constant vector field and R = xi + yj + zk. (a) Simplify the expression (R· VR) · Ã+ V · V × ▼ × ((Ã× R) × (K × Ã)). (b) Assuming A 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
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4. Assume A is a constant vector field and R = xˆi + yˆj + z ˆk. (a) Simplify the expression (R · ∇R ) · A+ ∇ · ∇ × ∇ × ((A× R ) × (R × A))

4. Assume Á is a constant vector field and R = xi + yj + zk.
(a) Simplify the expression
(R. VR) · Ã+ V .V × V x ((A × 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 = Ã.
Transcribed Image Text:4. Assume Á is a constant vector field and R = xi + yj + zk. (a) Simplify the expression (R. VR) · Ã+ V .V × V x ((A × 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 = Ã.
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