If $\vec{a}$and $\vec{b}$are two collinear vectors, then which of the following are incorrect:(A) $\vec{b}=\lambda \vec{a},$for some scalar lambda (B) $\vec{a}=\pm \vec{b}$ (C) the respective components of $\vec{a}$and $\vec{b}$are proportional (D) both the vectors $\vec{a}$ and $\vec{b}$ have same direction, but different magnitudes.

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