Question

(iii) The direction ratios of the line 3x + 1 = 6y– 2=1 – z are
(a) 2, 1,6
(b) 2, 1, – 6
(c) 2, – 1,6
(d) - 2, 1, 6​

Answer 1

(A) 2, 1, 6

3(x+1/3) = 6(y-1/3) = 1-z

(x+1/3)/1/3 = (y-1/3)/1/6 = (1-z)/1

1/3 , 1/6, 1

= 2, 1, 6