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11 questions from this quiz
Perpendicular distance
Direction vector of line 1
A point on line 1
โฃbโฃ|\mathbf{b}|โฃbโฃ
(1โ216)\begin{pmatrix} 1 \\ -2 \\ 16 \end{pmatrix}โ1โ216โโ
(โ2โ2โ1)\begin{pmatrix} -2 \\ -2 \\ -1 \end{pmatrix}โโ2โ2โ1โโ
261\sqrt{261}261โ
โ14-14โ14
14261\frac{14}{\sqrt{261}}261โ14โ
(pโa)รb(\mathbf{p} - \mathbf{a}) \times \mathbf{b}(pโa)รb
b1รb2\mathbf{b}_1 \times \mathbf{b}_2b1โรb2โ
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