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(0)(2sqrt(1+1^2))/(1^2) (C) 3 P is a poi...

`(0)(2sqrt(1+1^2))/(1^2)` (C) 3 P is a point ‘t' on the parabola y2= 4ax and PQis a focal chord. PT is a tangent at P and QN is a normal at Q. The minimum distance between PT and QN is equal to 150 (B) a V1+t + (A) 0 1+ t2 a(t2 2

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