conic-section

Question: The normal at the point $(bt_{1}^{2},\ 2b{{t}_{1}})$ on a parabola meets the parabola again in the point $(bt_{2}^{2},\ 2b{{t}_{2}})$ , then



1) ${{t}_{2}}=-{{t}_{1}}-\frac{2}{{{t}_{1}}}$
2) ${{t}_{2}}=-{{t}_{1}}+\frac{2}{{{t}_{1}}}$
3) ${{t}_{2}}={{t}_{1}}-\frac{2}{{{t}_{1}}}$
4) ${{t}_{2}}={{t}_{1}}+\frac{2}{{{t}_{1}}}$
Solution: Explanation: No Explanation
Parabola

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