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Terdapat diagram yang menampilkan dua vektor $\vvec=\twovec{2}{1}$ dan $\wvec=\twovec{1}{2}$ serta sebuah kisi yang terdiri atas dua kumpulan garis sejajar. Satu kumpulan garis sejajar tersebut sejajar dengan $\vvec$ dan melalui kelipatan bilangan bulat $\wvec\text{.}$ Kumpulan garis sejajar lainnya sejajar dengan $\wvec$ dan melalui kelipatan bilangan bulat $\vvec\text{.}$

Di bagian atas diagram terdapat dua penggeser yang memungkinkan pembaca mengubah dua skalar $c$ dan $d\text{.}$ Kombinasi linear $c\vvec+d\wvec$ juga ditampilkan. Ketika salah satu penggeser diubah, kombinasi linear yang baru akan ditampilkan.

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Petunjuk.

Dengan cara serupa, diagram di bawah ini dapat digunakan untuk membentuk kombinasi linear

\begin{equation*} c\vvec + d\wvec. \end{equation*}

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