If the system of equations 2x - y + z = 4, 5x + λ y + 3z = 12, 10… | JEE Main 2025 Mathematics PYQ

MCQMediumJEE Main 2025 · 24 January, Shift 1Solving Linear Equations (Matrix Method)

If the system of equations $2x - y + z = 4,$ $5x + \lambda y + 3z = 12,$ $100x - 47y + \mu z = 212,$ has infinitely many solutions, then $\mu - 2\lambda$ is equal to:

A
$56$
B
$59$
C
$55$
D
$57$

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