Question 1304d

Vectors II: Lines and Planes
Equation of a Plane from IV

Question

The line p{p} is given by
p:r(134)=0. p: \mathbf{r} \cdot \begin{pmatrix} - 1 \\ 3 \\ - 4 \end{pmatrix} = 0.
Find the coordinates of the point, B,{B',} obtained when the point B(3,9,12){B \left( 3, - 9, 12 \right)} is reflected in the plane p.{p.}

Attempt

B{B'}
({\Big(}
,
,
){\Big)}

Answer

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