Mathematics - Matrices Question with Solution | TestHub

MathematicsMatricesSystem of equationsHard2 minQB

MathematicsHardmultiple choice

The system $x + y + az = b, 2 x + 3 y = 2 a, 3 x + 4 y + a^{2} z = ab + 2$ has which properties?

Answer:

B, C, D

Solution:

The coefficient determinant is a(a-1). Rank checks give no solution at (0,1) and infinitely many at (0,2) and (1,2); A fails at a=1.

Stream:JEESubject:MathematicsTopic:MatricesSubtopic:System of equations

⏱ 2mℹ️ Source: QB

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