Name the octant in which each of the following points lies.(i) (1, 2,

1.	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).
Answer» (i) (1, 2, 3):- 1^st Octant, (ii) (4, – 2, 3):- 4^th Octant, (iii) (4, –2, –5):- 8^th Octant, (iv) (4, 2, –5):- 5^th Octant, (v) (– 4, 2, 5):- 2^nd Octant, (vi) (–3, –1, 6):- 3^rd Octant, (vii) (2, – 4, – 7):- 8^th Octant, (viii) (– 4, 2, – 5):- 6^th Octant.

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).

Answer»

(i) (1, 2, 3):- 1^st Octant,

(ii) (4, – 2, 3):- 4^th Octant,

(iii) (4, –2, –5):- 8^th Octant,

(iv) (4, 2, –5):- 5^th Octant,

(v) (– 4, 2, 5):- 2^nd Octant,

(vi) (–3, –1, 6):- 3^rd Octant,

(vii) (2, – 4, – 7):- 8^th Octant,

(viii) (– 4, 2, – 5):- 6^th Octant.