JEE Math Practice Question
If $$(2,3,9),(5,2,1),(1, \lambda, 8)$$ and $$(\lambda, 2,3)$$ are coplanar, then the product of all possible values of $$\lambda$$ is:
- A.$$\frac{21}{2}$$
- B.$$\frac{59}{8}$$
- C.$$\frac{57}{8}$$
- D.$$\frac{95}{8}$$
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