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2 January, 03:39

A conic section whose focus is at the pole has the equation r=2/1+cosθ. Which of the following equations is the directrix of the conic?

rcosθ = - 2

rcosθ = 2

rsinθ = - 2

rsinθ = 2

I think its the second

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Answers (1)
  1. 2 January, 03:50
    0
    yes its the second
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