document.write( "Question 1032204: Write a polynomial function P(x) with rational coefficients so that P(x)=0 has the given roots.
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document.write( "1. -6,3, and -15i
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document.write( "2. 4+√5 and 8i \n" );
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Algebra.Com's Answer #646860 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Write a polynomial function P(x) with rational coefficients so that P(x)=0 has the given roots. \n" ); document.write( "1. -6,3, and -15i ; add 15i to the lineup \n" ); document.write( "------- \n" ); document.write( "P(x) = a(x+6)(x-3)(x+15i)(x-15i) \n" ); document.write( "= a(x+6)(x-3)(x^2+226) \n" ); document.write( "----------------------------------- \n" ); document.write( "2. 4+√5 and 8i ; add 4-sqrt(t) and -8i to the lineup \n" ); document.write( "P(x) = a(x-4-sqrt(5))(x-4+sqrt(5)(x-8i)(x+8i) \n" ); document.write( "= a((x-4)^2-5)(x^2+64) \n" ); document.write( "---------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------------------------- \n" ); document.write( " |