4. Suppose f(x)=x3 and x=(z-1)(z+1).Then
=__(6)__.(Please express it in z.)
Suppose
=__ (7)__ . (Please express it in z.) .
4. Suppose f(x)=x3 and x=(z-1)(z+1).Then
=__(6)__.(Please express it in z.)
Suppose
=__ (7)__ . (Please express it in z.) .