The value of $k$ for which the pair of linear equations $4 x + 6 y - 1 = 0$ and $2 x + k y - 7 = 0$ represents parallel lines is:

k = 3

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k = 2

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k = 4

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k = - 2

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Solution

The correct option is D $k = 3$
$4 x + 6 y - 1 = 0$
$2 x + k y - 7 = 0$
for parallel lines
$\frac{4}{2} = \frac{6}{k}$
$k = 3$

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