//ques2 clc disp('solution of the given linear differential equation is given by : '); syms c1 c2 x; m=poly(0,'m'); f=m^2+6*m+9; r=roots(f); disp(r); disp('roots are equal so solution is given by :'); disp('y='); y=(c1+x*c2)*exp(r(1)*x); disp(y);