question_answer

It k be the ratio of the roots of the equation\[{{x}^{2}}-px+q=0\]the value of \[\frac{k}{1+{{k}^{2}}}\] is

A)  \[\frac{{{q}^{2}}-2p}{p}\]           

B)         \[\frac{q}{{{p}^{2}}-2q}\]  

C)  \[\frac{p}{{{q}^{2}}-2p}\]           

D)         \[\frac{p}{{{p}^{2}}-2q}\]