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Question

Question: <img src="https://cdn.pureessence.tech/canvas_391.png?top_left_x=831&top_left_y=0&width=300&height=1...

then

A

a⊥b\mathbf { a } \perp \mathbf { b }

B

a || b

C

Angle between a and b is 60∘60 ^ { \circ }

D

None of these

Answer

a⊥b\mathbf { a } \perp \mathbf { b }

Explanation

Solution

It is a fundamental concept.