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Question
Obtain the equation of the line containing the point: (2, 5) and perpendicular to the X−axis.
Solution
Equation of a line perpendicular to X-axis
i.e., parallel to Y-axis, is of the form x = h.
Since, the line passes through (2, 5).
∴ h = 2
∴ the equation of the required line is x = 2.
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