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JEE MAIN 2021
18-03-21 S2
Question
Let the system of linear equations $\begin{aligned} & 4 x+\lambda y+2 z=0 \\ & 2 x-y+z=0 \\ & \mu x+2 y+3 z=0, \lambda, \mu \in R\end{aligned}$ has a non-trivial solution. Then which of the following is true ?
Select the correct option:
A
$\mu=6, \lambda \in \mathrm{R}$
B
$\lambda=2, \mu \in \mathrm{R}$
C
$\lambda=3, \mu \in R$
D
$\mu=-6, \lambda \in \mathrm{R}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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