MCQ
दो सदिश $\vec{a}$ तथा $\vec{b}$ के लम्बवत् सदिश है-
- A$\vec{a} \cdot \vec{b}$
- B$\vec{a} \times \vec{b}$
- C$\vec{a}+\vec{b}$
- D$\vec{a}-\vec{b}$
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