question_answer

If the LCM of p(x) and q(x) is \[{{\mathbf{a}}^{\mathbf{9}}}\text{ }-\text{ }{{\mathbf{b}}^{\mathbf{9}}}\]then their HCF can be

A)  (a - b)                                                  

B) \[\left( {{a}^{2}}+{{b}^{2}}+ab \right)\]

C) \[{{a}^{6}}+\text{ }{{b}^{6}}+\text{ }{{a}^{3}}{{b}^{3}}\]                              

D) All the above

E)  None of these