1.

If \[\alpha ,\beta \] are the roots of the equation \[{{x}^{2}}-(1+{{n}^{2}})x+\frac{1}{2}(1+{{n}^{2}}+{{n}^{4}})=0\]then the value of \[{{\alpha }^{2}}+{{\beta }^{2}}\] is [RPET  1996]

A. \[2n\]
B. \[{{n}^{3}}\]
C. \[{{n}^{2}}\]
D. \[2{{n}^{2}}\]
Answer» D. \[2{{n}^{2}}\]


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