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A line with direction cosines proportion...

A line with direction cosines proportional to
2, 1, 2 meets each of the lines `x = y + a = z` and
`x + a = 2y = 2z.` The co-ordinates of each of the
points of intersection is

A

(3a,3a,3a). (a,a,a)

B

(2a,3a,3a),(2a,a,a)

C

(3a,2a,3a),(a,a,2a)

D

(3a,2a,3a),(a,a,a)

Text Solution

Verified by Experts

The correct Answer is:
D
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