JEE Main 2023 Mathematics question

Mathematics Matrices JEE Main 2023

For the system of linear equations 2x + 4y + 2az = b, x + 2y + 3z = 4, 2x – 5y + 2z = 8 which of the following is NOT correct ?

(A)It has unique solution if a = b = 6
(B)It has infinitely many solutions if a = 3, b = 6Correct
(C)It has infinitely many solutions if a = 3, b = 8
(D)It has unique solution if a = b = 8

Answer: (B)

Solution

Question ID VK-036339