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प्रश्न
Answer the following question:
Obtain the equation of the line which is parallel to the X−axis and 3 unit below it.
उत्तर
Equation of a line parallel to X-axis is y = k.
Since the line is at a distance of 3 units below X-axis,
k = – 3
∴ The equation of the required line is y = – 3
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