00478nam a22001817a 450000500170000000800410001702800370005808200120009510000170010724500330012426000470015730000190020436500070022365000170023065000140024765000190026170000160028020250805095428.0250805b        |||||||| |||| 00| 0 eng d  aDonated by Prof. Sanjeev Agrawal  a516 GUP  aGupta, R. S.  aConic sectionsc/ R S Gupta.  aAllahabad b: Pothishala Pvt Ltd c, 1968.  a142p.c: 18cm.  b00  a Mathematics  aHyperbola  aPolar equation  aR. S. Gupta