document.write( "Question 824421: Find all of the real zeros of the polynomial function, then use the real zeros to factor f over the real numbers.\r
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document.write( "f(x) = 3x^4 - 6x^3 + 4x^2 - 2x + 1 \n" );
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Algebra.Com's Answer #496448 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find all of the real zeros of the polynomial function, then use the real zeros to factor f over the real numbers. \n" ); document.write( "f(x) = 3x^4 - 6x^3 + 4x^2 - 2x + 1 \n" ); document.write( "------ \n" ); document.write( "Since the sum of the coefficients is zero, x = 1 is a root \n" ); document.write( "---- \n" ); document.write( "Use synthetic division to find other roots. \n" ); document.write( "1)....3....-6....4....-2....1 \n" ); document.write( "......3....-3....1....-1..|..0\r \n" ); document.write( "\n" ); document.write( "Again; since the sum of the coefficients is 1, x = 1 is a root \n" ); document.write( "1)....3....-3....1....-1 \n" ); document.write( "......3....0.....1...|..0\r \n" ); document.write( "\n" ); document.write( "Quotient: 3x^2+1 = 0 \n" ); document.write( "Factor:: \n" ); document.write( "(sqrt(3)x+i)(sqrt(3)x-i) = 0 \n" ); document.write( "---- \n" ); document.write( "Roots:: x = 1,1,sqrt(3)i/3,-sqrt(3)i/3 \n" ); document.write( "============== \n" ); document.write( "Factor Form \n" ); document.write( "f(x) = (x-1)^2(3x^2+1) \n" ); document.write( "=============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=============== \n" ); document.write( " |