Parabola: focal chord condition (parametric) (Endpoints of focal chord have parameters with product −1)
jee-mainjee-advanced
Endpoints of focal chord have parameters with product −1
What each symbol means
| Symbol | What it stands for |
|---|---|
| t_1,t_2 | Parameters of endpoints |
When to use this
Standard y² = 4ax; chord through focus (a,0).