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What is the condition for two vectors collinear??

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Two vectors are collinear if relations of their coordinates are equal.
Two vectors are collinear if their cross product is equal to the zero vector.
\\ Two \ vectors \ \bar{a} \ and \ \bar{b}\ are \ collinear \ if \ there \ exists\ a \ number \ $n$ \ such \ that \\ \\ \bar{a}=n \cdot \bar{b}

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Deependra Verma

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