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CDS Collinearity — practice questions

2 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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If three points $A(\vec a), B(\vec b), C(\vec c)$ are **collinear**, then $\overrightarrow{AC}$ must equal:If vectors $2\hat i - q\hat j + 3\hat k$ and $4\hat i - 5\hat j + 6\hat k$ are collinear, then $q$ equals: