
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Please solve part f and g correctly and handwritten
![2. Demonstrate the following relationship involving the dot product and cross product
(a) u. (v xw) = v. (w × u) = w · (u x V)
(b) u. (u x v)
=
0
(and explain geometrically why the result is zero)
(c) (a × b) × (a × c) = [(a × b) · c]a
.
(d) (a × b) · (c × d)
=
(a · c) (b · d) — (b · c) (a · d)
(e) a × (b × c) + cx (a × b) + b × (c × a) = 0
(f) ||a+b|| ≤ ||a|| + ||b||
(g) (a · b)² + ||a × b||² = ||a||²||b||².](https://content.bartleby.com/qna-images/question/84d305fc-e861-4250-8822-5e6a32ff70d4/cc04b326-0451-49b3-a19e-03c6ff91c64b/nczuna7_thumbnail.jpeg)
Transcribed Image Text:2. Demonstrate the following relationship involving the dot product and cross product
(a) u. (v xw) = v. (w × u) = w · (u x V)
(b) u. (u x v)
=
0
(and explain geometrically why the result is zero)
(c) (a × b) × (a × c) = [(a × b) · c]a
.
(d) (a × b) · (c × d)
=
(a · c) (b · d) — (b · c) (a · d)
(e) a × (b × c) + cx (a × b) + b × (c × a) = 0
(f) ||a+b|| ≤ ||a|| + ||b||
(g) (a · b)² + ||a × b||² = ||a||²||b||².
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