document.write( "Question 1017155: f 5 - 3i is a root of the equation z^2 - 10z + k = 0 find the value of k?\r
\n" ); document.write( "\n" ); document.write( "I got something like this can you fix it and add something new?

if (5 - 3i) is a root, then (5 + 3i) is a root, too (complex conjugates)...
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\n" ); document.write( "* product of the roots = c / a
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\n" ); document.write( "* (5 + 3i)(5 - 3i) = 25 - 9iČ = 34
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\n" ); document.write( "* k = 34


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Algebra.Com's Answer #633499 by ikleyn(52788)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "Correct.\r
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