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Matrices and Determinants question

2019 · 9 Jan · Shift 1 · Q26

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JEE Main
Mathematics
Matrices and Determinants
2019 · 9 Jan · Shift 1 · Q26

Matrices and Determinants question

2019 · 9 Jan · Shift 1 · Q26

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1

The system of linear equations x + y + z = 2 2x + 3y + 2z = 5 2x + 3y + (a2 – 1) z = a + 1 then

A
has infinitely many solutions for a = 4
B
has a unique solution for |a| = $\sqrt3$
C
is inconsistent when |a| = $\sqrt3$
D
is inconsistent when a = 4

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