Let tangents at \( P \) and \( Q \) to curve \( y^{2}-4 x-2 y+5=0 \) intersect at \( T \). If \(... VIDEO
Let tangents at \( P \) and \( Q \) to curve \( y^{2}-4 x-2 y+5=0 \) intersect at \( T \). If \( S(2,1) \) is a point such that \( (S P)(S Q)=16 \), then the length \( S T \) is equal to:https://bit.ly/YTAI_PWAP https://www.pw.live
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