🛠️ JEE➗ Maths

If the system of equations \(\begin{aligned} & x+y+z=2 \\ & 2 x+4 y-z=6 \\ & 3 x+2 y+\lambda z=\mu \end{alig…

Q1

If the system of equations
\(\begin{aligned}
& x+y+z=2 \\
& 2 x+4 y-z=6 \\
& 3 x+2 y+\lambda z=\mu
\end{aligned}\)

has infinitely many solutions, then:

[JEE Main 2020, 4 Sep (Shift 2)]

a

\(\lambda+2 \mu=14\)

b

\(2 \lambda+\mu=14\)

c

\(2 \lambda-\mu=5\)

d

\(\lambda-2 \mu=-5\)

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