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     EduGorilla 
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    Directions: The following question contains 4 choices (A), (B), (C) and (D), out of which ONLY ONE is correct.

    Let, , be unit vectors such that  +  +  = . Which one of the following is correct?

    Options :-

    1. × =  ×=× =
    2. × =  ×=×   
    3. × = ×= ×  
    4. ×,  ×, × are mutually perpendicular
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Reply To: Directions: The following question contains 4 choices (A), (B), (C) and (D), out of which ….
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