question_answer

If \[\sqrt{3{{x}^{4}}-4\sqrt{3}{{x}^{3}}-2{{x}^{2}}+4\sqrt{3}x+3}\]\[=(a{{x}^{2}}+bx+c)\] Then which one of the following is incorrect?

A) a and b are of different sign

B)                    \[{{b}^{2}}+2ac=2\]

C) \[2bc=4\sqrt{3}\]          

D)                                            \[ab=-\,2\sqrt{3}\]         

E) None of these