Mathematics · 2026
JEE Main · 23 January 2026, Shift 2 · Q5
The system of linear equations x+y+z=6; 2 x+5 y+a z=36; x+2 y+3 z=b has
The system of linear equations
$$\begin{aligned}
& x+y+z=6 \\
& 2 x+5 y+a z=36 \\
& x+2 y+3 z=b
\end{aligned}
$$
has
Official answer
From NTA’s final answer key for this paper.
(2)
infinitely many solutions for $\displaystyle a=8$ and $\displaystyle b=14$
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JEE Main 2026 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.