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steph76812
03.12.2020 •
Mathematics
What is Janelle’s position relative to sea level while swimming? What should the altimeter read at this position?
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Ответ:
The standard form of the ellipse is
. Coordinates of the foci are
and
, respectively.
Step-by-step explanation:
The equation of a ellipse centered in the origin in standard form is defined by following formula:
Where
are the coefficients of the ellipse.
Now we proceed to transform the equation of the ellipse in general form into standard form by algebraic means:
Since
, then major axis of the ellipse is located in y-axis. The distance between center and focus (
) is calculated by following Pythagorean identity:
The location of the foci are represented by
and
. If we know that
, then the location of the foci are, respectively: