यदि vec(a),vec(b),vec(c) तीन सदिश इस प्र...

यदि `vec(a),vec(b),vec(c)` तीन सदिश इस प्रकार हैं कि `vec(a)xx vec(b)=vec(c), vec(b)xx vec(c)=vec(a)` तथा `vec(c)xx vec(a)= vec(b)` दिखाएँ कि `vec(a),vec(b),vec(c)` इकाई सदिशों का एक दक्षिणावर्ती समकोणिक त्रिक बनाते हैं |

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