>> x=2
x =
2
>> y=((x^3+(x-0.98)^2))/(x+1.25)^3-5*(x+1/x)
y =
-12.2366
>> x=4
x =
4
>> y=((x^3+(x-0.98)^2))/(x+1.25)^3-5*(x+1/x)
y =
-20.7447
>> y=cos(60*pi/180)-(9-2^0.5)^(1/3)
y =
-1.4649
>> a=3
a =
3
>> A=4
A =
4
>> b=a^2
b =
9
>> B=b^2-1
B =
80
>> c = a + A - 2*B
c =
-153
>> C=a+B+2*c
C =
-223
>>
