Question bank/JEE Main/Mathematics
JEE MainMathematicsModerateQuadratic Equations
y = ax^2 + bx + c (a, b, c ∈ R)
y

Show answer and solution
Roots are purely imaginary
i.e., I β and - i β
∴ sum of roots = 0
incorrect (3)
product of roots = [IMAGE] ⇒ product > 0 ⇒ c = +ve


i.e., I β and - i β
∴ sum of roots = 0
incorrect (3)
product of roots = [IMAGE] ⇒ product > 0 ⇒ c = +ve


Source: Grass-G / M-03 Paper 1 Mathematics 21-8-2020_Final.docx
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