Analytical Geometry
What is the minimum length of a focal chord to the parabola y^2=32x
What is the minimum length of a focal chord to the parabola y^2=32x
1 Answer
Harsh Patodia
Shortest focal chord is chord perpendicular to axis and passing through focus.
for above parabola focus is (8,0)
End points of focus will be (8,16) and (8, -16) ( Get y by putting x=8 iin parabola equation)
Length will clearly be 32 ( difference in ordinates)
for above parabola focus is (8,0)
End points of focus will be (8,16) and (8, -16) ( Get y by putting x=8 iin parabola equation)
Length will clearly be 32 ( difference in ordinates)
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