Through the focus of the parabola, у 2 = 10х a chord is perpendicular to its axis. Determine the length of this chord.

Closed due to the fact that off-topic participants Harry , rjhdby , AK ♦ , Kromster , HamSter Jan 25 '17 at 11:37 .

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1 answer 1

Read what a parabola is.

For parabola in canonical form enter image description here focus is at enter image description here . Y values ​​at enter image description here , of course, equal enter image description here . The distance between these points, I think, and you will find? :)