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Matrices and Determinants question

2019 · 10 Jan · Shift 1 · Q24

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JEE Main
Mathematics
Matrices and Determinants
2019 · 10 Jan · Shift 1 · Q24

Matrices and Determinants question

2019 · 10 Jan · Shift 1 · Q24

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1

If the system of equations x + y + z = 5 x + 2y + 3z = 9 x + 3y + az =

\beta

has infinitely many solutions, then

\beta -\alpha

equals -

A
8
B
21
C
18
D
5

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