Math Chapter Wise Conic Section English MCQ UP. PCS. (Pre) 2006 TGT 2011 Q.Which of the following pairs will be represent conics. A1 ecos, 1 ecos r r = + θ = − θ l l B1 ecos, 1 ecos r r = + θ = − + θ l l C1 ecos, 1 ecos r r = − θ = − − θ l l DNone of these Show answer Correct answer: 1 ecos, 1 ecos r r = + θ = − + θ l l