Abscissa of two points \( P \) and \( Q \) on parabola \( y^{2}=8 x \) are roots of equation \( ...

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Abscissa of two points \( P \) and \( Q \) on parabola \( y^{2}=8 x \) are roots of equation \( x^{2}-17 x+11=0 \). Let Tangents at \( P \) and \( Q \) meet at point \( T \), then distance of \( T \) from the focus of parabola is :
\( \mathrm{P} \)
(a) 7
(b) 6
(c) 5
(d) 4
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