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प्रश्न
Find the equation of the line parallel to x-axis and passing through (3, −5).
उत्तर
The equation of a line parallel to the x-axis is y = k
It is given that y = k passes through (3, −5)
∴ −5 = k
\[\Rightarrow\] k = −5
Hence, the equation of the required line is y = −5
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