Let $P$ be the point of intersection of the line $\frac{x+3}{3}=\frac{y+2}{1}=\frac{1-z}{2}$ and the plane $x + y + z = 2$. If the distance of the point $P$ from the plane $3x - 4y + 12z = 32$ is $q$,then $q$ and $2q$ are the roots of the equation:

  • A
    $x^2 - 18x + 72 = 0$
  • B
    $x^2 + 18x + 72 = 0$
  • C
    $x^2 - 18x - 72 = 0$
  • D
    $x^2 + 18x - 72 = 0$

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If the line of intersection of the planes $ax + by = 3$ and $ax + by + cz = 0$ $(a > 0)$ makes an angle $30^{\circ}$ with the plane $y - z + 2 = 0$,then the direction cosines of the line are:

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