QJEEAdv07Ma7ab6: JEE Advanced 2007 Physics - Class 11 JEEAdv07Ma7ab6 Solution: Let be unit vectors such that Which one of the following is…

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Let

\overrightarrow a \,,\,\overrightarrow b ,\overrightarrow c

be unit vectors such that

{\overrightarrow a + \overrightarrow b + \overrightarrow c = \overrightarrow 0 .}

Which one of the following is correct ?

A $\overrightarrow a \times \overrightarrow b = b \times \overrightarrow c = \overrightarrow c \times \overrightarrow a = \overrightarrow 0$
B $\overrightarrow a \times \overrightarrow b = b \times \overrightarrow c = \overrightarrow c \times \overrightarrow a \ne \overrightarrow 0$
C $\overrightarrow a \times \overrightarrow b = b \times \overrightarrow c = \overrightarrow a \times \overrightarrow c \ne \overrightarrow 0$
D $\overrightarrow a \times \overrightarrow b ,b \times \overrightarrow c ,\overrightarrow c \times \overrightarrow a$ are muturally perpendicular

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