document.write( "Question 1043698: x^2+y^2+z^2=2(x+z-1) then the value of x^3+y^3+z^3 \n" ); document.write( "

Algebra.Com's Answer #658858 by ikleyn(52835) $\"\"$ $\"About$

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\n" ); document.write( "x^2+y^2+z^2=2(x+z-1) then the value of x^3+y^3+z^3
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document.write( "If   = ,  then\r\n" );
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document.write( " = ,\r\n" );
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document.write( " = ,\r\n" );
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document.write( " = .\r\n" );
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document.write( "We have the sum of squares of three real numbers equal to zero.\r\n" );
document.write( "Hence, each of the three numbers is equal to zero:\r\n" );
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document.write( "x-1 = 0,  y = 0  and  z-1 = 0.\r\n" );
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document.write( "In other words, x = 1, y = 0, z = 1.\r\n" );
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document.write( "Now  = -2.\r\n" );
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