The length of the normal from pole on the line rcos(θ−π3)=5 is
A
3
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B
4
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C
5
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D
10
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Solution
The correct option is C5 The equation of line at a distance p from the normal and the normal make an angle α with polar axis is rcos(θ−α)=p Given equation is ⇒rcos(θ−π3)=5 So, here p=5