The equation of a line which is at a distance of 5 units from origin and it makes an angle of π3 with positive direction of x-axis is

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x+3y=10

x+3y=5

3x−y=10

3x+y=10

answer is A.

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Detailed Solution

Equation of normal line is xcosα+ysinα=p ⇒x12+y32=5 ⇒x+3y=10

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