If the vectors 3 i + j -2 k , i +2 j -3 k , 3 i + j +5 k are co-planar, then the value of…
Mathematics · JEE Main · NTA Exams — Three Dimensional Geometry
If the vectors \(3 \hat{i}+\hat{j}-2 \hat{k},\) \(\hat{i}+2 \hat{j}-3 \hat{k}, 3 \hat{i}+\lambda \hat{j}+5 \hat{k}\) are co-planar, then the value of λ is :
- - 4
- 4
- 8
- - 8
Answer
(A) - 4
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