JEE Advanced 2020 Full Test 3 Paper 2

This section contains 02 paragraph each describing theory, experiment, data etc. Four questions relate to the paragraph. Each question of a paragraph has Only One correct answer among the four choices (A),(B),(C) and (D).

Let f(x)=x2+(a+2)x+a2−a+2. Given a,α,β(α<β) be real numbers and α,β are the roots of the equation f(x)=0.