document.write( "Question 544628: an ellipse has foci at (-5,0) and (5,0) what is the value of c squared? \n" ); document.write( "
Algebra.Com's Answer #355191 by KMST(5328)\"\" \"About 
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The letter c is conventionally used to represent the focal distance, half the distance between the foci. So \"c=5\" and \"c%5E2=25\". \n" ); document.write( "
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