Maths-
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Easy

Question

The equation of the directrix of the conic r C o s to the power of 2 end exponent invisible function application open parentheses fraction numerator theta over denominator 2 end fraction close parentheses equals 5 is

  1. 10 equals r C o s space theta    
  2. 5 equals r C o s space theta    
  3. 5 equals r S i n space theta    
  4. 5 equals 2 r C o s space theta    

The correct answer is: 10 equals r C o s space theta

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