1.

A tangent is drawn at any point (l, m), l, mne0 on the parabola y^(2)=4ax and the tangents are drawn from any point on this tangent to the circle x^(2)+y^(2)=0 (where agt0) such that all chords of contact pass through a fixed point (alpha,beta), then

Answer»

`alphalgt0,betamgt0`
`alphallt0,betamgt0`
`2(1/alpha)^(2)+(m/beta)^(2)=8`
`4(1/alpha)+(m/beta)^(2)=0`

Answer :B::D


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