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| 1. |
यदि सदिश `veca , vecb " तथा" vecc ` त्रिभुज ABC की भुजा BC , CA तथा AB बनाते है तब -A. `veca . vecb + vecb . vecc + vecc . veca = 0 `B. `veca xx vecb = vecb xx vecc = vecc xx veca`C. `veca . vecb = vecb . vecc = vecc . veca `D. `veca xx vecb + vecb xx vecc + vecc xx veca = 0 ` |
| Answer» Correct Answer - B | |