question_answer

For a quadratic polynomial \[\mathbf{2}{{\mathbf{x}}^{\mathbf{2}}}\mathbf{-8x+b,}\]sum of its roots is 4 and one of the roots is \[\frac{\mathbf{4+}\sqrt{\mathbf{2}}}{\mathbf{2}}\], then the value of b is______

A)  3                                                                    

B) 6           

C)  7                    

D) 8

E)  None of these