Parabola
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Question : 20 of 31
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Let a, r, s, t be non-zero real numbers.Let P ( a t 2 , 2 a t ) , Q , R ( a r 2 , 2 a r ) S ( a s 2 , 2 a s )
If st=1,then the tangent at P and he normal at S to the parabola meet at a point whose ordinate is
If st=1,then the tangent at P and he normal at S to the parabola meet at a point whose ordinate is
[JEE Adv 2014 P2]
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