Mathematics · 2022
JEE Main · 26 June 2022, Shift 1 · Q4
The ordered pair (a, b), for which the system of linear equations 3 x-2 y+z= b; 5 x-8 y+9 z=3; 2 x+y+ a z=-1 has no solution, is:
The ordered pair $\displaystyle (a, b)$, for which the system of linear equations
$$\begin{aligned}
& 3 x-2 y+z=\mathrm{b} \\
& 5 x-8 y+9 z=3 \\
& 2 x+y+\mathrm{a} z=-1
\end{aligned}
$$
has no solution, is :
Official answer
(3)
$\displaystyle \left(-3,-\frac{1}{3}\right)$
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JEE Main 2022 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.