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If  are vectors such that  and , then the angle between the vectors  and  is?

  1. 0°
  2. 30°
  3. 45°
  4. 90°

Answer (Detailed Solution Below)

Option 1 : 0°
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Detailed Solution

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Concept:

Calculation:

Here, 

Taking magnitude and squaring both sides,

θ = 0°

Hence, option (1) is correct. 

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