2009 · Q88
What is the magnitude of difference of the roots of x 2 – ax + b = 0?
Elementary MathematicsAlgebra
- A√(a² − 4b)
- B√(a² + 4b)
- C√(4b − a²)
- Da² − 4b
Explanation
Difference of roots = √(a² − 4b).
What is the magnitude of difference of the roots of x 2 – ax + b = 0?
Explanation
Difference of roots = √(a² − 4b).