The equation of a straight line on which the length of perpendicular from the origin is four units and the line makes an angle of 1200 with the x-axis is
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a
x3+y+8=0
b
x3−y=8
c
x3+y=8
d
x+3y+8=0
answer is A.
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Detailed Solution
Given that the slope is −3,Therefore, the line is y=−3x+cor 3x+y=cNow, c2=4 or c=±8
The equation of a straight line on which the length of perpendicular from the origin is four units and the line makes an angle of 1200 with the x-axis is