MCQ
यदि $\overrightarrow{\mathrm{a}} \cdot \overrightarrow{\mathrm{b}}=0$ हो, तो
- ✓$\overline{\mathrm{a}} \perp \overline{\mathrm{b}}$
- B$\overline{\mathrm{a}} \| \overline{\mathrm{b}}$
- C$\bar{a}+\bar{b}=0$
- D$\overline{\mathrm{a}}-\overline{\mathrm{b}}=\overline{0}$