Mathematics · 2024
JEE Main · 8 April 2024, Shift 2 · Q3
If the system of equations x+4 y-z=λ, 7 x+9 y+μ z=-3,5 x+y+2 z=-1 has infinitely many solutions, then (2 μ+3 λ) is equal to:
If the system of equations $\displaystyle x+4 y-z=\lambda, 7 x+9 y+\mu z=-3,5 x+y+2 z=-1$ has infinitely many solutions, then $\displaystyle (2 \mu+3 \lambda)$ is equal to :
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle -3$
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JEE Main 2024 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.