Z1=12.99+%i*7.5;
Z2=4-%i*3;
Z3=6+%i*8;
I1=Z1/Z2;
Z=Z3-Z2
I=(I1*Z)/Z3;
disp('ii) CURRENT (I1) is  in polar form  =  '+string (I1) +'  A ');
disp('i) IMPEDANCE (Z) is  in polar form  =  '+string (Z) +'  V ');
disp('ii) CURRENT (I) is  in polar form  =  '+string (I) +'  A ');