JEE Main 2023 Mathematics question

Mathematics Determinants JEE Main 2023

For the system of linear equations ax + y + z = 1, x + ay + z = 1, x + y + az = , which one of the following is NOT correct?

(A)It has infinitely many solutions if = 1 and = 1
(B)x + y + z = if = 2 and = 1
(C)It has no solution if = –2 and = 1
(D)It has infinitely many solutions if = 2 and = –1Correct

Answer: (D)

Solution

Question ID VK-025537