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The length of the chord of the parabola  which is bisected at the point (2,1) is

a)

b)

c)

d)



Question ID - 55742 | SaraNextGen Top Answer

The length of the chord of the parabola  which is bisected at the point (2,1) is

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (d) -

(d)

Chord through (2, 1) is     (i)

Solving Eq.(i)with parabola  we have

This equation has two roots and

Then, sum of roots

    

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