The system of equations αx + y + z = α – 1 x + αy + z = α – 1 x + y + αz = α –1 has no…
Mathematics · JEE Advanced · NTA Exams — Matrices and Determinants
The system of equations
αx + y + z = α – 1
x + αy + z = α – 1
x + y + αz = α –1
has no solution, if α is :
αx + y + z = α – 1
x + αy + z = α – 1
x + y + αz = α –1
has no solution, if α is :
- 1
- not – 2
- either –2 or 1
- –2
Answer
(D) –2
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