2009 · Q59
If the roots of the equation (m + 1)x² + 2mx + (m − 1) = 0 are equal, then what is the value of m?
Elementary MathematicsAlgebra
- A1
- B½
- C0
- D– ½
Explanation
Equal roots give m = −1/2.
If the roots of the equation (m + 1)x² + 2mx + (m − 1) = 0 are equal, then what is the value of m?
Explanation
Equal roots give m = −1/2.