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JEE Main & Advanced Mathematics Vector Algebra Question Bank Scaler or Dot product of two vectors and its application

  • question_answer
    If the angle between the vectors a and b be q and \[\mathbf{a}\,.\,\mathbf{b}=\cos \theta ,\] then the true statement is

    A)             a and b are equal vectors

    B)             a and b are like vectors

    C)             a and b are unlike vectors      

    D)             a and b are unit vectors

    Correct Answer: D

    Solution :

                    Obviously \[\mathbf{a},\,\,\mathbf{b}\]are unit vectors.


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