MathsJEE Main 4 Apr 2026, Shift 2·Q3·MCQ·Easy–moderate

Matrices & Determinants · System of linear equations

If the system of equations:

\begin{aligned} x + y + z &= 5\\ x + 2y + 3z &= 9\\ x + 3y + \lambda z &= \mu\end{aligned}

has infinitely many solutions, then the value of

\lambda + \mu

is:

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