If $\alpha ,\beta $ are the roots of the equation $\lambda \left( { x }^{ 2 }-x \right) +x+5=0$ and if $\cfrac { \alpha }{ \beta } +\cfrac { \beta }{ \alpha } =\cfrac { 4 }{ 5 } $, then $\cfrac { { \lambda }{ 1 }^{ } }{ { \lambda }{ 2 }^{ 2 } } +\cfrac { { \lambda }{ 2 }^{ } }{ { \lambda }{ 1 }^{ 2 } } $ equals
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