MCQ
सदिश $\hat{i}-2 \hat{j}+2 \hat{k}$ की दिशा में परिमाण 9 वाला सदिश है
- A$\hat{i}-2 \hat{j}+2 \hat{k}$
- B$\frac{\hat{i}-2 \hat{j}+2 \hat{k}}{3}$
- ✓$3(\hat{i}-2 \hat{j}+2 \hat{k})$
- D$9(\hat{i}-2 \hat{j}+2 \hat{k})$
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