document.write( "Question 1208778: Show that the product of the roots of a quadratic equation is c/a. \n" ); document.write( "
Algebra.Com's Answer #847245 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "It is well known theorem (formula) by French mathematician Vieta,
\n" ); document.write( "discovered by him in the 16th century (somewhen in the years 15xy).\r
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\n" ); document.write( "\n" ); document.write( "Any relevant Algebra textbook contains it and explains it.\r
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\n" ); document.write( "\n" ); document.write( "See this Wikipedia article
\n" ); document.write( "https://en.wikipedia.org/wiki/Vieta%27s_formulas\r
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