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Matrices and Determinants question

2020 · 4 Sep · Shift 2 · Q24

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JEE Main
Mathematics
Matrices and Determinants
2020 · 4 Sep · Shift 2 · Q24

Matrices and Determinants question

2020 · 4 Sep · Shift 2 · Q24

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1

If the system of equations x+y+z=2 2x+4y–z=6 3x+2y+

\lambda

z=

\mu

has infinitely many solutions, then

A
2 $\lambda$ - $\mu$ = 5
B
$\lambda$ - 2 $\mu$ = -5
C
2 $\lambda$ + $\mu$ = 14
D
$\lambda$ + 2 $\mu$ = 14

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