MathematicsHard244×since 2002Q4573The system of linear equations x + y + z = 2 2x + 3y + 2z = 5 2x + 3y + (a² – 1) z = a + 1 thenAhas infinitely many solutions for a = 4Bhas a unique solution for |a| = 3\sqrt33Cis inconsistent when |a| = 3\sqrt33Dis inconsistent when a = 4Check answerSkip