document.write( "Question 1209401: Let a be a real number such that a - \frac{1}{a} = 1. Compute a^3. \n" ); document.write( "

Algebra.Com's Answer #848755 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "Reduce the given equation to the standard form quadratic equation\r\n" );
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document.write( "    a^2 - a - 1 = 0.\r\n" );
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document.write( "Solve it using the quadratic formula.\r\n" );
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document.write( "The roots are   =   and   = .\r\n" );
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document.write( "Raise each root to degree 3, performing routine arithmetic.\r\n" );
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document.write( "You will obtain two values/expressions for \"a^3\".\r\n" );
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