MCQ
$(3,-1,0)$ અને $(-2,1,3)$ બંનેને લંબ એકમ સદિશ ____________ થાય.
- A$\pm(-3,-9,1)$
- B$\pm(-3,9,-1)$
- C$\pm \frac{1}{\sqrt{91}}(-3,-9,1)$
- D$\pm \frac{1}{\sqrt{91}}(-3,9,1)$
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