ParabolaHard
Question
If (t2, 2t) is one end of a focal chord of the parabola y2 = 4x then the length of the focal chord will be -
Options
A.
B.
C.
D.none
Solution
Given (t2, 2t) be one end of focal chord then other
end be
length of focal chord
=
end be
length of focal chord
=
Create a free account to view solution
View Solution FreeMore Parabola Questions
The parabolas y2 = 4x and x2 = 4y divide the square region bounded by the lines x = 4, y = 4 and the coordinate axes. If...The triangle PQR of area ′A′ is inscribed in the parabola y2 = 4ax such that vertex P lies at the vertex of ...A point on the parabola y2 = 18x at which the ordinate increases at twice the rate of the abscissa is...Tangents are drawn from the points on the line x - y + 3 = 0 to parabola y2 = 8x. Then the variable chords of contact pa...If the tangent at the point P (x1, y1) to the parabola y2 = 4ax meets the parabola y2 = 4a (x + b) at Q & R, then the mi...