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If the normals at points `t_1` and `t_2` meet on the parabola, then
(a) `t_1t_2=1` (b) `t_2=-t_1-2/(t_1)` (c) `t_1t_2=2` (d) none of these

A

`t_(1)t_(2)=-1`

B

`t_(2)=-t_(1)-2/t_(1)`

C

`t_(1)t_(2)=2`

D

none of these

Text Solution

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The correct Answer is:
C
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