//given
a=4.5//in
b=2//in
r1=2.5//in
r2=4.5//in
F2=12.25//lb
F1=25.4//lb
fs=1.5//lb
fb=(fs/2)*(b/a)
//At minimum radii
k1=fb/F2
//At maximum radii
k2=fb/F1
printf("Coefficient of insensitiveness\nAt minimum radii = %.4f\nAt maximum radii = %.4f\n",k1,k2)