A) all except two values of\[\lambda \]
B) all except one value of\[\lambda \]
C) all values of\[\lambda \]
D) no value of\[\lambda \]
Correct Answer: A
Solution :
For non-coplanarity, \[\left| \begin{matrix} 1 & 2 & 3 \\ 0 & \lambda & 4 \\ 0 & 0 & 2\lambda -1 \\ \end{matrix} \right|\ne 0\] \[\Rightarrow \] \[\lambda (2\lambda -1)\ne 0\] \[\Rightarrow \] \[\lambda \ne 0,\frac{1}{2}\]You need to login to perform this action.
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