2010008908

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2010008908
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1
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We are given skew lines $a$ and $b$. \begin{align*} a\colon x&= -1-2t, & b\colon x&= 1-3s, \\ y&= -2+3t, & y&=2s, \\ z&= -4+2t;\ t\in\mathbb{R}, & z&= 2-2s;\ s\in\mathbb{R}. \end{align*} Find parametric equations of a straight line $p$, that is intersecting both lines $a$ and $b$ and lying in the plane $2x+3y-z-8=0$.
$\begin{aligned} p\colon x&=-9+r, \\ y&=10+r, \\ z&=4+5r;\ r\in\mathbb{R} \end{aligned}$
$\begin{aligned} p\colon x&=-9-2r, \\ y&=10-2r, \\ z&=4+10r;\ r\in\mathbb{R} \end{aligned}$
$\begin{aligned} p\colon x&=-9-10r, \\ y&=10+9r, \\ z&=4-r;\ r\in\mathbb{R} \end{aligned}$
$\begin{aligned} p\colon x&=-9+2r, \\ y&=10+2r, \\ z&=4-2r;\ r\in\mathbb{R} \end{aligned}$