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12th Class Mathematics Sample Paper Maths Olympiad Model Paper-9

  • question_answer
    If a, b, c are three non-coplanar vectors, then \[(a+b+c).\,\,[(a+b)\times (a+c)]\]

    A)  \[[a\,\,b\,\,c]\]               

    B)  \[2\,\,[a\,\,b\,\,c]\]

    C)  \[-[a\,\,b\,\,c]\]

    D)  \[4\,\,[a\,\,b\,\,c]\]

    E)  None of these

    Correct Answer: C

    Solution :

    Not Available                


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