The set of all real values of \( \lambda \) for which the quadratic equations, \( \left(\lambda^{2}+1\right) x^{2}-4 \la…

The set of all real values of \( \lambda \) for which the quadratic equations, \( \left(\lambda^{2}+1\right) x^{2}-4 \lambda x+2=0 \) always have exactly one root in the interval \( (0,1) \) is

[JEE Main 2020, 3 Sep (Shift 2)]