ok, this is my first post here so i don't know what kind of questions i can ask, so i'll fire away...(adsbygoogle = window.adsbygoogle || []).push({});

e is unit vector, i'm showing a = e(e*a) - e x (e x a), where * is the dot-product and x is the cross product, i keep getting 3a, not a. Is my algebra off or?...

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# Homework Help: Vector product

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