document.write( "Question 1155848: if f(z)=z^2-3z+3 is a complex function of the complex variable z, evaluate the quantity: f(2+i) \n" ); document.write( "
Algebra.Com's Answer #778539 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "if \"f%28z%29=z%5E2-3z%2B3\", then\r
\n" ); document.write( "\n" ); document.write( "\"f%282%2Bi%29=%282%2Bi%29%5E2-3%282%2Bi%29%2B3+\"\r
\n" ); document.write( "\n" ); document.write( "\"f%282%2Bi%29=4%2B4i%2B%28i%29%5E2-6-3i%2B3+\"\r
\n" ); document.write( "\n" ); document.write( "\"f%282%2Bi%29=4%2B4i%2B%28-1%29-6-3i%2B3+\"\r
\n" ); document.write( "\n" ); document.write( "\"f%282%2Bi%29=4-1-6%2Bi%2B3+\"\r
\n" ); document.write( "\n" ); document.write( "\"f%282%2Bi%29=i\"
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