Question 1304d

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

Question

The line p{p} is given by
p:r⋅(−2−11)=−1. p: \mathbf{r} \cdot \begin{pmatrix} - 2 \\ - 1 \\ 1 \end{pmatrix} = - 1.
Find the coordinates of the point, B′,{B',} obtained when the point B(4,6,1){B \left( 4, 6, 1 \right)} is reflected in the plane p.{p.}

Attempt

B′{B'}
({\Big(}
,
,
){\Big)}

Answer

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