1103024309 | math4u.vsb.cz

SubArea:

Points and vectors

Level:

Project ID:

1103024309

Accepted:

1

Clonable:

0

Easy:

0

Given the vectors

\vec{a}

,

\vec{b}

,

\vec{c}

shown in the picture, express a vector

\vec{b}

as a linear combination of vectors

\vec{a}

and

\vec{c}

.

\vec{b} = 2 \vec{a} + \vec{c}

\vec{b} = 2 \vec{a} - \vec{c}

\vec{b} = - 2 \vec{a} + \vec{c}

\vec{b} = - 2 \vec{a} - \vec{c}