1.

Assertion(A) : The locus of the point of intersection of perpendicular tangents to y^(2)= 4ax is its directrix.Reason (R) : If theta is acute angle between the pair of tangents drawn from (x_(1),y_(2)) to parabola S =0 then tan theta= (sqrt(S_(11)))/(|x_(1)+a|) The correctanswer is

Answer»

Both A and R are TRUE and R is the correct EXPLANATION of A
Both A & R are true but R is not correct explanation of A
Only A is true but R is not the correct explanation to A
Both Aand R is false

Answer :A


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