EM-3173

Position vectors

E Math · Secondary 4 · Hard · Position vectors

In a parallelogram

OABC

,

\overrightarrow{OA} = \mathbf{p}

and

\overrightarrow{OC} = \mathbf{q}

. Point

B

is such that

OABC

is a parallelogram. What is

\overrightarrow{OB}

in terms of

\mathbf{p}

and

\mathbf{q}

?

$\mathbf{q}$
$\mathbf{p}$
$\mathbf{p}+\mathbf{q}$
$\mathbf{q}-\mathbf{p}$

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