document.write( "Question 1132057: The equation of y=x³+4x²+x-6 has roots α, β and γ. Find the value of
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document.write( "(i) α²+β²+γ²
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document.write( "(ii) α²β²γ²
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document.write( "(iii) (α+β)(β+γ)(γ+α)
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Algebra.Com's Answer #748916 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! x^3+4x^2+x-6=0 \n" ); document.write( "with synthetic division, using -3 \n" ); document.write( "1-----4----1---- -6 \n" ); document.write( "1-----1--- -2-----0 \n" ); document.write( "(x+3)(x^2+x-2)=0, so -3 is a root \n" ); document.write( "(x+3)(x+2)(x-1)=0 \n" ); document.write( "roots are -3, -2, and +1\r \n" ); document.write( "\n" ); document.write( "(i) is 14\r \n" ); document.write( "\n" ); document.write( "(ii) is 36\r \n" ); document.write( "\n" ); document.write( "(iii) is (-5)(-1)(-2)=-10\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |