clc;
clear;
//part a
a=[1 0.667;-0.5 1];
b1=6;
b2=1;
disp(determ(a),"The determinant for part(a)=")
//part b
a=[0.5 1;0.55 1];
b1=5;
b2=5.2;
disp(determ(a),"The determinant for part(b)=")
//part c
b1=5;
b2=5.2;
disp(determ(a),"The determinant for part(c)=")