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| 1. |
यदि दो सदिश `vecA` तथा `vecB` परस्पर लंबवत है, तो :A. `vecA + vecB = 0`B. `vecA - vecB = 0`C. `vecA xx vecB = 0`D. `vecA * vecB = 0` |
| Answer» Correct Answer - D | |