JEE Main & Advanced Mathematics Vector Algebra Question Bank Numerical Value Type Questions - Vector

  • question_answer Let \[\left| \,\,\vec{a}\,\, \right|=1\] and \[\left| \,\,\vec{b}\,\, \right|=3.\] If \[\vec{a}+\lambda \vec{b}\] and \[\vec{a}-\lambda \vec{b}\] are mutually perpendicular vectors, then find value of \[\left| \lambda  \right|.\]

    Answer:

    0.33


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