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Analytical Geometry

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9 Jan 2012 22:16:40 IST

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parabola 24.23 13

Mathematics

in a parabola y^2=4ax the length of chord passing through the vertex and inclined to the axis at 45 degree is.......

ans. 2^1/2 *a

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HARIKRISHNAN M

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Joined: 30 Aug 2011

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9 Feb 2012 22:08:58 IST

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equation of the chord is x=ythe point of intersection is (0,0)(4a,4a)hence the length of the chord is the distace between the points ie 4a(sqrt(2))

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