Q.
The perpendicular distance from the origin to a line L is 7 and the line L makes an angle of 1500 with the positive direction of x-axis and makes negative intercept on y-axis. Then the equation of the line is
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a
3x+y=14
b
3x−y=−14
c
3x – y = 14
d
3x + y = 14
answer is B.
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Detailed Solution
xcos1500+ysin1500=7 x−32+y12=7⇒3x−y=−14
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