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Select the correct option from the given alternatives: If aandba¯ and b¯ are unit vectors, then what is the angle between aa¯ and bb¯ for ab3a¯-b¯ to be a unit vector? - Mathematics and Statistics

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Question

Select the correct option from the given alternatives:

If `bar"a"  "and"  bar"b"` are unit vectors, then what is the angle between `bar"a"` and `bar"b"` for `sqrt3bar"a" - bar"b"` to be a unit vector?

Options

  • 30°

  • 45°

  • 60°

  • 90°

MCQ

Solution

30°

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Chapter 5: Vectors - Miscellaneous exercise 5 [Page 189]

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