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(a) & abc ab=0 (b) Ɛyjkεyk = 261 Eijkεljk (c) εimnεimn=6

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter9: Moments And Products Of Inertia Of Areas

Section: Chapter Questions

Problem 9.22P

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Question

I need help with a einstein notation problem. In the image, I can understand work out part a and part c. I need help with proving part b.

(a) & abc ab=0
(b) Ɛyjkεyk = 261
Eijkεljk
(c) εimnεimn=6

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