document.write( "Question 17359: find the value of -
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document.write( "(i+3^.5)^100 + (i-3^.5))^100 + 2)^100 \n" );
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Algebra.Com's Answer #10040 by kapilsinghi(68)![]() ![]() ![]() You can put this solution on YOUR website! (i+root3)^100 +(i-root3)^100 + 2^100=?\r \n" ); document.write( "\n" ); document.write( "i^100 = -1^50 = 1 \n" ); document.write( "so (i+root3)^100 = 1(i+root3)^100 \n" ); document.write( " = (i^100)(i+root3)^100 \n" ); document.write( " = (i(i+root3))^100 \n" ); document.write( " = (-1 + iroot3)^100\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "similarly \n" ); document.write( " (i-root3)^100 = (-1 - iroot3)^100 \n" ); document.write( " \n" ); document.write( "w is cuberoot of unity \n" ); document.write( "w + w^2 + 1 = 0 \n" ); document.write( "w^3n = 1\r \n" ); document.write( "\n" ); document.write( " w = (-1 - iroot3)/2 \n" ); document.write( "=> 2w = (-1 - iroot3) \n" ); document.write( " \n" ); document.write( " w^2 = (-1 + iroot3)/2 \n" ); document.write( " 2w^2 = (-1 + iroot3) \r \n" ); document.write( "\n" ); document.write( "so (i+root3)^100 + (i-root3)^100 + 2^100 \n" ); document.write( " = (-1 + iroot3)^100 + (-1 + iroot3)^100 + 2^100 \n" ); document.write( " = (-1 + iroot3)^100 + (-1 + iroot3)^100 + 2^100 \n" ); document.write( " = (2w)^100 + (2w^2)^100 + 2^100 \n" ); document.write( " = (2^100)*(w^100) + (2^100)*(w^200) + 2^100 \n" ); document.write( " = (2^100)(w^100 + (w^200) + 1) \n" ); document.write( " = (2^100)(w*w^99 + (w^2)*(w^198) + 1) \n" ); document.write( " = (2^100)(w + w^2 + 1) \n" ); document.write( " = (2^100)(0) \n" ); document.write( " = 0 \n" ); document.write( " \n" ); document.write( "kapilsinghi123@gmail.com \n" ); document.write( " |