For what value of k will the lines 2x + 7ky – 8 = 0 and x + y – 9 = 0 have no solution?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. .
2x + 7ky – 8 = 0
x + y – 9 = 0
For no solution a₁/a₂ = b₁/b₂ ≠ c₁/c₂
a₁/a₂ = b₁/b₂
⇒ 2/1 = 7k/1
k = 2/7