Question 1304d

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

Question

The line p{p} is given by
p:r⋅(4−55)=−20. p: \mathbf{r} \cdot \begin{pmatrix} 4 \\ - 5 \\ 5 \end{pmatrix} = - 20.
Find the coordinates of the point, B′,{B',} obtained when the point B(13,−5,7){B \left( 13, - 5, 7 \right)} is reflected in the plane p.{p.}

Attempt

B′{B'}
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,
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Answer

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