document.write( "Question 1086399: determine the equation of the curve such that the sum of the distance of any point on the curve from two points whose coordinate are (-3,0) and (3,0) is always equal to 8 \n" ); document.write( "

Algebra.Com's Answer #700621 by ikleyn(52802) $\"\"$ $\"About$

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document.write( "Ellipse with foci at the points (-3,0) and (3,0) and the major axis of 8 units long.\r\n" );
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document.write( "Hence, the major semi-axis is 4 units long.\r\n" );
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document.write( "Then the minor semi-axis is  = .\r\n" );
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document.write( "The equation of the ellipse is\r\n" );
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document.write( " +  = 1.\r\n" );
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\n" ); document.write( "\n" ); document.write( "See the lesson\r
\n" ); document.write( "\n" ); document.write( " - Ellipse definition, canonical equation, characteristic points and elements \r
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\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-II in this site\r
\n" ); document.write( "\n" ); document.write( " ALGEBRA-II - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lesson is the part of this online textbook under the topic
\n" ); document.write( "\"Conic sections: Ellipses. Definition, major elements and properties. Solved problems\".\r
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