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

यदि तीन सदिश `bar(a),bar(b),bar(c)` इस प्रकार हैं कि `bar(a)xxbar(b)=bar(c)` और `bar(b)xxbar(c)=bar(a)`, तो सिद्ध कीजिए कि सदिश `bar(a)cdot bar(b), bar(c)` परस्पर लम्ब हैं तथा `|bar(b)|=1,|bar(c)|=|bar(a)|.`

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