For the quadratic equation x² + 2x + c = 0, if roots differ by 2, then c = ?
Q1. For the quadratic equation x² + 2x + c = 0, if roots differ by 2, then c = ?
Answer: 3/4
Explanation: Using the difference of roots = √(b² - 4ac) / a, and given difference is 2, we derive c.