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)  \[\sqrt{14}\]                 

B)  \[-\,14\]

C)  \[2\]                            

D)  \[-\,4\]

E)  None of these