JEE Main2003MathematicsParabolaActual
The normal at the point ( bt ₁ ^2, 2 bt ₁ ) on a parabola meets the parabola again in the point ( bt ₂ ^2, 2 bt ₂ ) , then
Options
- At ₂= t ₁+ 2 t ₁
- Bt₂=-t₁- 2 t₁
- Ct ₂=- t ₁+ 2 t ₁
- Dt ₂= t ₁- 2 t ₁
Correct answer
B. t₂=-t₁- 2 t₁
Step-by-step solution
Fundamental theorem (fact) t₂=-t₁- 2 t₁