Chapter Name : Conic Section |
Sub Topic Code : 104_11_11_05_04 |
Topic Name : Ellipse |
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Sub Topic Name : Standard Equation Of An Ellipse |
• Ellipse is set of points in a plane whose distance from foci add up to constant. • To solve practical applications on ellipse there is need of standard equation of ellipse which satisfies for all points on ellipse. In this section we derive standard equation of ellipse.
• Knowledge of equation of line. • Knowledge of ellipse. • Knowledge of special cases of ellipse. • Knowledge of eccentricity of ellipse.
You will observe vertical major axis graph.
Which equation of ellipse is used to solve application involving elliptical orbit?
Key Words | Definitions (pref. in our own words) |
---|---|
Ellipse | Ellipse is set of points in a plane whose distance from foci adds up to constant. |
Horizontal Axis | X-axis on the graph. |
Vertical Axis | Y-axis on the graph. |
Gadgets | How it can be used |
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Graph paper, Pencil | Determine the values of a and b as well what the graph of ellipse will look with the equation square(x)/36+square(y)/25=1. |
Ellipses have many practical uses like in machine gears, architectural design, to design medical devices, in optics.
Look for things in your house which are elliptical in shape?
Examples | Explainations |
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Astronomy. | To give astronauts a visual landing zone they used shape of ellipse. Mathematical formula of ellipse gave them better chance of landing outside the predicted zone. |
Standard equation of ellipse satisfies for all points on ellipse.
Equation of ellipse is used in many practical applications like in medicine, astronomy.
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