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Mathematics for IGCSE & O level - Vectors (Section 2 - No. 6)

If \(\vec{p} = \begin{pmatrix} 4 \\ -2 \end{pmatrix}\), what is - \(\frac{1}{2}\vec{p}\)?
\(\begin{pmatrix} -2 \\ 1 \end{pmatrix}\)
\(\begin{pmatrix} 2 \\ -1 \end{pmatrix}\)
\(\begin{pmatrix} -2 \\ -1 \end{pmatrix}\)
\(\begin{pmatrix} 2 \\ 1 \end{pmatrix}\)

توضيح

-\( \frac{1}{2}\vec{p}\) = -(\frac{1}{2}\) * \(\begin{pmatrix} 4 \\ -2 \end{pmatrix}\) = \(\begin{pmatrix} -2 \\ 1 \end{pmatrix}\)

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