Question

(iii) The value of x when the points A (2, – 1, 1), B (4, 0, 3), C (X, 1, 1) and
D (2, 4, 3) are coplanar is
(a) 1
(b) 0 (c) 2
(d) 1 /​

Answer 1

Answer:

think so option a.....

Answer 2

Answer:

(a) 1 is correct answer.