Name the octant in which each of the following points lies.
Question:

Name the octant in which each of the following points lies.

(i) (1, 2, 3),

(ii) (4, – 2, 3),

(iii) (4, –2, –5)

(iv) (4, 2, –5)

(v) (– 4, 2, 5)

(vi) (–3, –1, 6)

(vii) (2, – 4, – 7)

(viii) (– 4, 2, – 5).

Solution:

(i) (1, 2, 3):- 1st Octant,

(ii) (4, – 2, 3):- 4th Octant,

(iii) (4, –2, –5):- 8th Octant,

(iv) (4, 2, –5):- 5th Octant,

(v) (– 4, 2, 5):- 2nd Octant,

(vi) (–3, –1, 6):- 3rd Octant,

(vii) (2, – 4, – 7):- 8th Octant,

(viii) (– 4, 2, – 5):- 6th Octant.

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