Write the value of k for which the following pair of linear equations has no solution :- 4x+y=11;kx+3y=5
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Answer:wisis
Step-by-step explanation:
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Answer: k = 12
Step-by-step explanation:
a₁ = 4, a₂ = k, b₁ = 1, b₂ = 3, c₁ = 11, c₂ = 5
For no solution,
a₁/a₂ = b₁/b₂ ≠ c₁/c₂
4/k = 1/3 ≠ 11/5
4/k = 1/3
By doing its reciprocal,
k/4 = 3
k = 12
4/k ≠ 11/5
By doing its reciprocal,
k/4 ≠ 5/11
k ≠ 20/11
Therefore, the value of k = 12
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