If the straight lines x = 1 + s, y = −3 − λ s, z = 1 + λs and x = t 2 , y = 1 + t, z = 2…
Mathematics · JEE Main · NTA Exams — Three Dimensional Geometry
If the straight lines x = 1 + s, y = −3 − λ s, z = 1 + λs and \(\mathrm{x}=\frac{\mathrm{t}}{2},\) y = 1 + t, z = 2 – t, with parameters s and t respectively, are coplanar, then λ equals
- –2
- –1
- \(-\frac{1}{2}\)
- 0
Answer
(A) –2
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