00502nam a22001697a 4500003000400000008004100004082001400045100001700059245010100076250001600177260003700193300001000230650001800240650003700258650001600295700002100311OSt220906b        |||||||| |||| 00| 0 eng d  a510bG97N  aGupta, S. K.  aNew Senior Secondary Mathematics : for class XI /cby S. K. Gupta and Anubhuti  Gupta ; Vol. - I  a3rd rev ed.  a.- New Delhib: S. Chandc, 1991  a819p.  aPure Sciences  aNatural Sciences and Mathematics  aMathematics  aGupta, Anubhuti.