document.write( "Question 1128103: Find an​ nth-degree polynomial function with real coefficients satisfying the given conditions.\r
\n" ); document.write( "\n" ); document.write( "n=3
\n" ); document.write( "3 and 5i are zeros
\n" ); document.write( "f(-1)=104\r
\n" ); document.write( "\n" ); document.write( "f(x)=???
\n" ); document.write( "

Algebra.Com's Answer #744567 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\"n=3\"=> \"3\"rd degree
\n" ); document.write( "zeros:
\n" ); document.write( "\"x%5B1%5D=3\"
\n" ); document.write( "\"x%5B2%5D=+5i\" -> complex zeros always come in pairs, so you also have
\n" ); document.write( "\"x%5B3%5D=+-5i\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-x%5B1%5D%29%28x-x%5B2%5D%29%28x-x%5B3%5D%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-3%29%28x-5i%29%28x%2B5i%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-3%29%28x%5E2-%285i%29%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-3%29%28x%5E2-25i%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-3%29%28x%5E2-25%28-1%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=%28x-3%29%28x%5E2%2B25%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=x%5E3%2B25x-3x%5E2-75\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29=x%5E3-3x%5E2%2B25x-75\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "is \"f%28-1%29=104\"?\r
\n" ); document.write( "\n" ); document.write( "\"f%28-1%29=%28-1%29%5E3-3%2A%28-1%29%5E2%2B25%28-1%29-75\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28-1%29=-1-3-25-75\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28-1%29=-104\"\r
\n" ); document.write( "\n" ); document.write( "so, \"f%28-1%29=104\" is not true\r
\n" ); document.write( "\n" ); document.write( "
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