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Questions  

chord is drawn through the focus of the parabola

y2=6x such that its distance from the vertex of
this parabola is 52then its slope can be:

a
52
b
32
c
25
d
23

detailed solution

Correct option is A

Let the equation of the chord be.y−0=mx−32⇒y=mx-3m2 Its distance from the vertex (0, 0) is ca2+b2= m−321+m2=523m1+m2=5squaring on both sides9m2=51+m2 4m2=5 m=±52.

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