Question

If the straight lines $x=1+s, y = -3-s, z=1+λs$ and $x = \frac{t}{2},y=1+t, z=2-t$ with parameters s and t respectively, are coplanar, then $λ$ is equal to:

• A. 3
• B. -2
• C. -1
• D. 5

Answer 1

Answer: (B)

-2

Answer 2

The correct option is (B):-2