Math Chapter Wise Limit, Continuity And Differentiability Of Function Of One Variable English MCQ Haryana PGT 2018 Q.If α, β are the roots of the equation 2 2 ax + b + c = 0 then: A() 2 a 2 α −β B() 2 a 2 α −β C() 2 a 2 − α −β D() 2 a 2 − α −β Show answer Correct answer: () 2 a 2 α −β