Math Chapter Wise question with answer

Q01 If the eccentricities of two ellipses 2 2 1 25 169 x y + = + = and 2 2 1 a x y b + = + = are equal, then value of a... English · PGT 2009, 2010 Q02 If e and e′ ′ ′ are the eccentricities of a hyperbola and its conjugate, then 2 2 1 1 e (e) + ′ is equal to– English · JDD-75-PGT TIER II-X-15 28.06.2015/ PGT 2011/ Jharkhand TGT 2017/ Rajasthan 2013 Q03 If e1 and e2 are the eccentricities of the hyperbola xy=c2 and x2 –y2 =c2 then 2 2 1 2 e e + = English · PGT 2011 Q04 If e1 and e2 are the eccentricities of a hyperbola and its conjugate hyperbola then 2 1 e = English · PGT 2002 Q05 If e and e' be the eccentricities of the hyperbola 2 2 x y 1 a b − = − = and its conjugate hyperbola, then English · UP PGT-2016 (02-02-2019) UPPCS (Pre.) 2001 Q06 The distance between the centers of two circles of radii r1 and r2 is d. They will touch each other internally if English · DSE TGT 2019