Question

$(1,2,3),(4,β2,3)(4,β2,β5),(4,2,β5),(β4,2,β5),(β4,2,5),(β3,β1,6),(2,β4,β7)$Β

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Therefore this point lies in octant I

The $x$-coordinate $y$-coordinate and $z$-coordinate of point $(4,β2,3)$ are positive

negative and positive respectively. Therefore this point lies in octant IV

The $x$-coordinate $y$-coordinate and $z$-coordinate of point $(4,β2,β5)$ are positive

negative and negative respectively. Therefore this point lies in octant VIII

The $x$-coordinate, $y$-coordinate and $z$-coordinate of point $(4,2,β5)$ are positive

positive and negative respectively. Therefore this point lies in octant V

The $x$-coordinate, $y$-coordinate and $z$-coordinate of point $(β4,2,β5)$ are negative

positive, and negative respectively. Therefore this point lies in octant VI

The $x$-coordinate, $y$-coordinate and $z$-coordinate of point $(β4,2,5)$ are negative

positive and positive respectively. Therefore this point lies in octant II

The $x$-coordinate $y$-coordinate and $z$-coordinate of point $(β3,β1,6)$ are negative

negative and positive respectively. Therefore this point lies in octant III

The $x$-coordinate, $y$-coordinate and $z$-coordinate of point $(2,β4,β7)$ are positive

negative and negative respectively. Therefore this point lies in octant VIIIΒ Β Β

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