If the difference between the roots of x 2 + ax + b = 0 and x 2 + bx + a = 0 is same and…
Mathematics · JEE Main · NTA Exams — Complex Numbers and Quadratic Equations
If the difference between the roots of x2 + ax + b = 0 and
x2 + bx + a = 0 is same and a ≠ b, then
x2 + bx + a = 0 is same and a ≠ b, then
- a + b + 4 = 0
- a + b –4 = 0
- a – b –4 = 0
- a – b + 4 = 0
Answer
(A) a + b + 4 = 0
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