Exercise 1.1.2

Question

Find the equations of the lines through the following pairs of points in space.
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(a) $(3,-2,4)$ and $(-5,7,1)$
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(b) $(2,4,0)$ and $(-3,-6,0)$
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(c) $(3,7,2)$ and $(3,7,-8)$
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(d) $(-2,-1,5)$ and $(3,9,7)$

Jephian C.-H. Lin · Accepted Answer

Here $t$ is in $\mathbb{F}$.

\begin{enumerate}
\item $(3,-2,4)+t(-8,9,-3)$
\item $(2,4,0)+t(-5,-10,0)$
\item $(3,7,2)+t(0,0,-10)$
\item $(-2,-1,5)+t(5,10,2)$
\end{enumerate}

Exercise 1.1.2

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Exercise 1.1.2

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