question_answer

If the sum of the zeros of the polynomial \[f(x)=({{k}^{2}}-14){{x}^{2}}-2x-12\] is 1, then one of the values of K is

A)  \[\sqrt{15}\]                 

B)  \[-\,15\]

C)  \[14\,\]                                     

D)  \[-\,4\]

E)  None of these