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You can put this solution on YOUR website!
x^4 - 1 = 0 or x^4 = 1 has four zeros called \"roots of unity.\" On the complex plane, they are 1, i, -1, and -i. Two of these (1, -1) are real. \n" ); document.write( "
| Algebra.Com's Answer #327578 by richard1234(7193) You can put this solution on YOUR website! x^4 - 1 = 0 or x^4 = 1 has four zeros called \"roots of unity.\" On the complex plane, they are 1, i, -1, and -i. Two of these (1, -1) are real. \n" ); document.write( " |