. * i point a partial differential equation is one in which a dependent variable (say y) (a) depends on one or more independent variables (6) does not depends o

. * I point A partial differential equation is one in which a dependent variable (say y) (a) depends on one or more independent variables (6) does not depends on one or more indeperndent variables )both the above (d) none of the above O a Ob O c Od 19. point Which of the following is false regarding Bessel polynomials? a) Krall and Fink (1949) defined the Bessel polynomials 6) The polynomials satisty the recuTence formula () The solutions of homogeneous equations are closely related to Bessel polynomials d) Bessel polynomials are not an orthogonal sequence of polynomials O a Ob Oc Od