document.write( "Question 186575: Perform the complex number operations and write the answer in the a + bi form.
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\n" ); document.write( "2i + (3 - i) / (2 + 5i)\r
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Algebra.Com's Answer #139836 by ankor@dixie-net.com(22740)\"\" \"About 
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Perform the complex number operations and write the answer in the a + bi form.\r
\n" ); document.write( "\n" ); document.write( "2i + (3 - i) / (2 + 5i)
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\n" ); document.write( "assume it's
\n" ); document.write( "2i + \"%283-i%29%2F%282%2B5i%29\"
\n" ); document.write( "over a single denominator
\n" ); document.write( "\"%282i%282%2B5i%29+%2B+%283-i%29%29%2F%282%2B5i%29\" = \"%28%284i+%2B+10i%5E2%29+%2B+%283-i%29%29%2F%282%2B5i%29\" = \"%28%284i+%2B+10%28-1%29%29+%2B+%283-i%29%29%2F%282%2B5i%29\" = \"%284i+-+10+%2B+3+-+i%29%2F%282%2B5i%29\" = \"%283i+-+7%29%2F%28+2%2B5i%29\"
\n" ); document.write( "Multiply by the conjugate of the denominator over itself:
\n" ); document.write( "\"%283i+-+7%29%2F%282%2B5i%29\" *\"%282-5i%29%2F%282-5i%29\" = \"%286i+-+15i%5E2-14+%2B+35i%29%2F%284+-+25i%5E2%29\" = \"%286i+-+15%28-1%29-14+%2B+35i%29%2F%284+-+25%28-1%29%29\" = \"%286i+%2B+15+-14+%2B+35i%29%2F%284+%2B+25%29\" = \"%281+%2B+41i%29%2F29\"
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