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Let `veca=xhati+12hatj-hatk,=2hati+2xhatj+hatkand vecc=hati+hatk`. If the ordered set `[vecb vecc veca]` is left handed, then find the value of x. |
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Answer» for a left-handed system . `[vecbveccveca]lt0` `|{:(2,2x,1),(1,0,1),(x,12,-1):}|lt0` `or 2(0-12)-2x(-1-x)+1(12)lt0` ` or x^(2)+x-6lt0` `x in (-3,2)` |
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