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

  • question_answer
    Let \[\vec{a}=\hat{i}-\hat{j},\,\,\vec{b}=\hat{i}+\hat{j}+\hat{k}\] and \[\vec{c}\] be a vector such that \[\vec{a}\times \vec{c}+\vec{b}=\vec{0}\] and \[\vec{a}\,\,.\,\,\vec{c}=4,\] then \[|\vec{c}{{|}^{2}}\] is equal to:

    Answer:

    9.5


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