document.write( "Question 1083283: Calculate (2+i)^7. Give your answer in a+bi form \n" ); document.write( "
Algebra.Com's Answer #697290 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "\"%282%2Bi%29%5E7\"\r
\n" ); document.write( "\n" ); document.write( "=\"%282%2Bi%29%282%2Bi%29%282%2Bi%29%282%2Bi%29%282%2Bi%29%282%2Bi%29%282%2Bi%29\"\r
\n" ); document.write( "\n" ); document.write( "=\"%283+%2B+4i%29%283+%2B+4i%29%283+%2B+4i%29%282%2Bi%29\"\r
\n" ); document.write( "\n" ); document.write( "=\"%28-7+%2B+24i%29%283+%2B+4i%29%282%2Bi%29\"\r
\n" ); document.write( "\n" ); document.write( "=\"%28-117+%2B+44i%29%282%2Bi%29\"\r
\n" ); document.write( "\n" ); document.write( "=\"-278+-+29i\"
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