A straight line L through the point (3,−2) is inclined at an angle 60∘ to the line 3x+y=1 . If L also intersects the x -axis, then the equation of L is
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a
y+3x+2−33=0
b
y−3x+2+33=0
c
3y−x+3+23=0
d
3y+x−3+23=0
answer is B.
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Detailed Solution
Let the slope of the required line be m. Thenm+31−3m=3 or m+3=±(3−3m) or 4m=0 or m=0 and 2m=23 or m=3Therefore the equation is y+2=3(x−3)(m≠0 as given that line cuts the x -axis) or 3x−y−(2+33)=0