MCQ
$\hat{i} \cdot(\hat{j} \times \hat{k})+\hat{j} \cdot(\hat{i} \times \hat{k})+\hat{k} \cdot(\hat{i} \times \hat{j})$ નું મૂલ્ય ..................... થશે.
- A
- B-1
- ✓1
- D
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