question_answer

If a and B are the roots of the equation\[{{x}^{2}}-12x+32=0\], then find the value of\[\frac{{{\alpha }^{2}}+{{\beta }^{2}}}{\alpha +\beta }\]

A) \[\frac{8}{3}\]              

B) \[\frac{-8}{3}\]

C) \[\frac{20}{3}\]             

D) \[\frac{-20}{3}\]

E) None of these