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David Cohen questions just for fun.
Enjoy.
Enjoy.
A.
for f(x)=1-x^3![]()
![]()
=![]()
=......factor out -1 in numerator![]()
=.....factor numerator![]()
=.........simplify![]()
=![]()
B.
for f(x)=-3/x^2![]()
![]()
=![]()
=![]()
=![]()
=![]()