Two mark exercise problem III — task. Mathematics State Board, Class 10.

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Check whether the given lines are parallel or perpendicular.

(i)

$\frac{x}{3} + \frac{y}{4} + \frac{1}{7} = 0$ and

$\frac{2x}{3} + \frac{y}{2} + \frac{1}{10} = 0$

(ii)

$5x + 23y + 14 = 0$ and

$23x - 5y + 9 = 0$

Answer:

(i) The given lines are .

(ii) The given lines are .

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