Which of the following is true?

PHYSICS · Single correct · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

Which of the following is true? (1) a\boldsymbol{a} and a2\boldsymbol{a}_2 are collinear (2) a1\boldsymbol{a}_1 and c\boldsymbol{c} are collinear (3) a\boldsymbol{a} , a1\boldsymbol{a}_1 and b\boldsymbol{b} are coplanar (4) a\boldsymbol{a} , a1\boldsymbol{a}_1 and a2\boldsymbol{a}_2 are coplanar

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