Find the value of ‘k’, if (3x + y - 4) - k(5x - 4y + 10) = 0 is parallel to x axis.
Explanation:
For an equation to be parallel to x-axis the coefficient of x should be zero.
Given equation is (3 – 5k)x + (1 + 4k)y - 4 - 10k = 0
∴ 3 – 5k = 0
⇒ k = 3/5
Hence, option (a).
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