document.write( "Question 915479: z= (3+4i)(12-5i)/(2+i)
\n" ); document.write( "a. |z| ?
\n" ); document.write( "b. Re (z) and Im (z)?
\n" ); document.write( "I doubt !
\n" ); document.write( "thnx alot
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Algebra.Com's Answer #569053 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
Expanding the numerator\r
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\n" ); document.write( "\n" ); document.write( "\"z=+%28%283%2B4i%29%2812-5i%29%29%2F%282%2Bi%29=%2836-15i%2B48i-20i%5E2%29%2F%282%2Bi%29+\"\r
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\n" ); document.write( "\n" ); document.write( "\"z=%2856%2B33i%29%2F%282%2Bi%29=%28%2856%2B33i%29%282-i%29%29%2F%282%5E2%2B1%5E2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"z=%28112-56i%2B66i-33i%5E2%29%2F5=%28145%2B10i%29%2F5\"\r
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\n" ); document.write( "\n" ); document.write( "\"z=29%2B2i\"\r
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\n" ); document.write( "\n" ); document.write( "\"abs%28z%29=sqrt%2829%5E2%2B2%5E2%29=13sqrt%285%29\"\r
\n" ); document.write( "\n" ); document.write( "\"Re%28z%29=29\"
\n" ); document.write( "\"Im%28z%29=2\"
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