//Example No. 6_15 //Synthetic Division //Pg No. 176 clear ; close ; clc ; a = [-9 15 -7 1]; b(4) = 0 ; for i = 3:-1:1 b(i) = a(i+1) + b(i+1)*3 printf('b%i = %f\n',i,b(i)) end disp(poly(b,'x','c'),'Thus the polynomial is')