If f is a function of two variables, f (x, y ), its partial derivatives at the point (a, b), denoted by fx (a, b) and fy (a, b), are de?ned by f (a + ?x, b) ? f (a, b) f (a, b + ?y ) ? f (a, b) and fy (a, b) =
antibiotics Article Antitubercular, Cytotoxicity, and Computational Target Validation of Dihydroquinazolinone Derivatives Katharigatta N. Venugopala 1,2,* , Nizar A. Al-Shar'i 3, Lina A. Dahabiyeh 4 , Wafa Hourani 5, Pran Kishore Deb 5,* , Melendhran Pillay 6, Bashaer Abu-Irmaileh 7,...