engineering recuitment ISRO Scientific Assistant Physics 2020 Mathematics Vector Algebra Applications of Vectors
If the vectors \(\rm 3\hat{i} - 8\hat{j} + 5\hat{k}, \hat{i} - λ\hat{j} + 2\hat{k} \;and\; 2\hat{i} + 3\hat{j} + 3\hat{k}\) form a triangle then λ is equal to?
1
11
2
5
3
3
4
12