Question

answer with exolanation​

Answer 1

Answer:

Explanation:

Here A→.B =ABcosθ = ABcos90∘ = O ⇒ A→⊥B→ Similarly, A→⊥C→⇒B→ and C→ are in the same plane and A→ is perpendicular to them. Thus A→||B→×C→

therefore option a is correct