question_answer

If one root of the equation \[a{{x}^{2}}-5x+16=0\] is 4 times the other, then the value of \[\alpha \] is

A) 0                                                         

B) \[\frac{1}{8}\]   

C) \[\frac{1}{4}\]              

D) \[\frac{1}{2}\]

E) None of these