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Lists I, II and III contains conics, equation of tangents to the conics and points of contact, respectively. For a=sqrt2 if a tangent is drawn to a suitable conic (List I) at the point of contact (-1,1), which of the following options is the only CORRECT combination for obtaining its equation? |
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Answer» (II) (ii) (Q) Equation of tangent is `y=mx+asqrt(m^(2)+1)` and point of CONTACT is `((-ma)/(sqrt(x^(2)+1)),(a)/(sqrt(m^(2)+1)))`. |
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