Mathematics · 2020
JEE Main · 8 January 2020, Shift 1 · Q53
For which of the following ordered pairs (μ, δ), the system of linear equations x+2 y+3 z=1; 3 x+4 y+5 z=μ; 4 x+4 y+4 z=δ is inconsistent?
For which of the following ordered pairs
$\displaystyle (\mu, \delta)$, the system of linear equations
$$\begin{gathered}
x+2 y+3 z=1 \\
3 x+4 y+5 z=\mu \\
4 x+4 y+4 z=\delta
\end{gathered}
$$
is inconsistent?
Official answer
(3)
$\displaystyle (4,3)$
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JEE Main 2020 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.