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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class12  >>  Vector Algebra
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If $\overrightarrow a, \:\overrightarrow b,\: \overrightarrow c$ are position vectors of the points $A,B,C$ respectively, then under what condition the three points $A,B,C$ are collinear?

$\begin{array}{1 1} \overrightarrow a\times\overrightarrow b=0 \\ \overrightarrow a\times\overrightarrow b \;is\; \parallel \;to \;\overrightarrow b\times\overrightarrow c \\ \overrightarrow a\times\overrightarrow b\; is \;\perp \overrightarrow b\times\overrightarrow c \\ \overrightarrow a\times\overrightarrow b+\overrightarrow b\times\overrightarrow c+\overrightarrow c\times\overrightarrow a=0 \end{array} $

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