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J & K CET Engineering J and K - CET Engineering Solved Paper-2014

  • question_answer
    If a, b, c are three vectors such that \[a\text{ }\times \text{b}=c\] and\[b\text{ }\times c=a\],then

    A)  \[a\ne b\ne c\]

    B)  \[a=b=c\]

    C)  \[a\ne b\text{ }\ne \text{ }c\ne 1\]

    D)  a, b, c are orthogonal in pairs

    Correct Answer: D

    Solution :

    Since,  \[a\times b=c\] and \[b\times c=a\] So, a, b, c, form a right handed system and orthogonal in pairs.


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