If the pair of linear equations x − y = 1, x + ky = 5 has a unique solution x = 2, y = 1, then the value of k is

Linear Equations in Two Variables (10)

If the pair of linear equations x - y = 1, x + ky = 5 has a unique solution x = 2, y = 1, then the value of k is

  1. -2
  2. -3
  3. 3
  4. 4

Answer

C. 3

  • Exam Year: 2023