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Simran Bhatia Grade: 11
         Prove that A ⃗  ∙(A ⃗×B ⃗ )=0.
3 years ago

Answers : (1)

Aditi Chauhan
askIITians Faculty
396 Points
										. A ⃗  (A ⃗ x B ⃗) = 0 (claim)

As, A ⃗ x B ⃗ ABsin θ n ̂
AB sin θ n ̂ is a vector which is perpendicular to the plane containing A ⃗ and B ⃗ , this implies that it is also perpendicular to A ⃗ . As dot product of two perpendicular vector is zero.
3 years ago
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