Question

Let A, B, C, D be the points with position vectors $3\hat{i}-2\hat{j}-\hat{k},2\hat{i}+3\hat{j}-4\hat{k},-\hat{i}+2\hat{j}+2\hat{k}$ and $4\hat{i}+5\hat{j}+\lambda\hat{k}$ respectively. If the points A, B, C, D lie on a plane, then the value of λ is

• A. 0
• B. $\frac{37}{4}$
• C. $\frac{-37}{4}$
• D. 1

Answer 1

Answer: (C)

$\frac{-37}{4}$

Answer 2

The correct option is (C) : $\frac{-37}{4}$.