Find the value of λ, if x = -λ and y = \(\frac{5}{2}\) is a solutio – InterviewSolution

1.

Find the value of λ, if x = -λ and y = \(\frac{5}{2}\) is a solution of the equation x + 4y - 7 = 0.

Answer»

x + 4y – 7 = 0

For, x = -λ and y = \(\frac{5}{2}\) to be a solution

⇒ -λ + 4 × (5/2) – 7 = 0

⇒ λ = 10 – 7 = 3

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