MCQ
જો સદીશો $\,\vec a\,=\,\hat{i}\,\,-\,\,\hat{j}\,\,+\,2\hat{k}$ $\,,\,\,\vec b\,=\,2\hat{i}\,\,+\,\,4\hat{j}\,\,+\,\hat{k}\,$ અને $\vec c\,=\,\lambda \hat{i}\,\,+\,\,\hat{j}\,\,+\,\mu \hat{k}$ પરસ્પર લંબ હોય,તો $\left( \lambda ,\,\,\mu \right)\,\,=\,\,.......$
- ✓$(-3, 2)$
- B$(2, -3)$
- C$(-2, 3)$
- D$(3, -2)$