Tangent at a point on the circle (T = 0) (Replace x²→xx₁, y²→yy₁, x→(x+x₁)/2 style → T=0)
jee-mainjee-advanced
Replace x²→xx₁, y²→yy₁, x→(x+x₁)/2 style → T=0
What each symbol means
| Symbol | What it stands for |
|---|---|
| g,f,c | Circle in general form |
| (x_1,y_1) | Point on circle |
When to use this
Point must lie on circle.