Which of the following may not be a polynomial if F(x) and G(x) is a polynomial?
F(x)* G(x)
F(x)+ G(x)
F(x)/ G(x)
F(x)-G(x)
F(x)G(x) may or may not be polynomial.
If (x-1) is a factor of polynomial f(x) but not of g(x), then it must be a factor of