document.write( "Question 1085385: What complex number equals (1 + isqrt{3})^6? \n" ); document.write( "
Algebra.Com's Answer #699436 by ikleyn(52790)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "
\r\n" );
document.write( "The complex number 1 + i*sqrt(3) has the modulus r = \"sqrt%281%5E2+%2B+%28sqrt%283%29%29%5E2%29\" = \"sqrt%281%2B3%29\" = \"sqrt%284%29\" = 2\r\n" );
document.write( "\r\n" );
document.write( "and the argument \"alpha\" = \"arctan%28sqrt%283%29%29\" = \"pi%2F3\".\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Therefore, according to de Moivre formula,\r\n" );
document.write( "\r\n" );
document.write( "\"%281+%2B+i%2Asqrt%283%29%29%5E6\" = \"r%5E6%2A%28cos%286%2Aalpha%29+%2B+i%2Asin%286%2Aalpha%29%29\" = \"2%5E6%2A%28cos%282pi%29+%2B+i%2Asin%282pi%29%29\" = \"2%5E6\" = 64.\r\n" );
document.write( "
\r
\n" ); document.write( "\n" ); document.write( "Answer. 64.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "There is a bunch of lessons on complex numbers in this site\r
\n" ); document.write( "\n" ); document.write( "    - Complex numbers and arithmetical operations on them\r
\n" ); document.write( "\n" ); document.write( "    - Complex plane\r
\n" ); document.write( "\n" ); document.write( "    - Addition and subtraction of complex numbers in complex plane\r
\n" ); document.write( "\n" ); document.write( "    - Multiplication and division of complex numbers in complex plane\r
\n" ); document.write( "\n" ); document.write( "    - Raising a complex number to an integer power\r
\n" ); document.write( "\n" ); document.write( "    - How to take a root of a complex number\r
\n" ); document.write( "\n" ); document.write( "    - Solution of the quadratic equation with real coefficients on complex domain\r
\n" ); document.write( "\n" ); document.write( "    - How to take a square root of a complex number\r
\n" ); document.write( "\n" ); document.write( "    - Solution of the quadratic equation with complex coefficients on complex domain\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "    - Solved problems on taking roots of complex numbers\r
\n" ); document.write( "\n" ); document.write( "    - Solved problems on arithmetic operations on complex numbers\r
\n" ); document.write( "\n" ); document.write( "    - Solved problem on taking square root of complex number\r
\n" ); document.write( "\n" ); document.write( "    - Miscellaneous problems on complex numbers\r
\n" ); document.write( "\n" ); document.write( "    - Advanced problem on complex numbers\r
\n" ); document.write( "\n" ); document.write( "    - A curious example of an equation in complex numbers which HAS NO a solution\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-II in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic \"Complex numbers\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );