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Grade: 11
        Give an example for which A ⃗  .B ⃗=C ⃗  .B ⃗  but A ⃗≠C ⃗. 
4 years ago

Answers : (1)

Aditi Chauhan
askIITians Faculty
396 Points
							Sol. For example, as shown in the figure,
A ⃗ ⊥ B ⃗    B ⃗ along west
B ⃗ ⊥ C ⃗   A ⃗  along south
  C ⃗ along north 
A ⃗ . B ⃗ = 0    ∴ A ⃗ . B ⃗  = B ⃗ . C ⃗
B ⃗ . C ⃗ = 0  But B ⃗ ≠ C ⃗

						
4 years ago
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