document.write( "Question 65147: The conjugate of 5 + 6i is
\n" ); document.write( "Find the product (2 + i)(3 + 4i). Give your answer in the usual a + bi form
\n" ); document.write( "Write the complex number i 15 in the usual a + bi form
\n" ); document.write( "Find the reciprocal of the complex number 3 + 2i . Give your answer in the usual a + bi form. \r
\n" ); document.write( "\n" ); document.write( "Write the complex number in the usual a + bi form.
\n" ); document.write( "What are the coordinates of the complex number -i when we plot it in the complex plane?
\n" ); document.write( " Find the magnitude of the complex number 3 - 7i. (In other words, find | 3 - 7i | )
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Algebra.Com's Answer #45657 by stanbon(75887)\"\" \"About 
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The conjugate of 5 + 6i is 5-6i
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\n" ); document.write( "Find the product (2 + i)(3 + 4i). Give your answer in the usual a + bi form
\n" ); document.write( "Use FOIL:
\n" ); document.write( "F:2*3=6
\n" ); document.write( "O:2*4i=8i
\n" ); document.write( "I:3*i=3i
\n" ); document.write( "L:i*4i=-4
\n" ); document.write( "Combine to get:2+11i
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\n" ); document.write( "Write the complex number i 15 in the usual a + bi form
\n" ); document.write( "0+15i
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\n" ); document.write( "Find the reciprocal of the complex number 3 + 2i . Give your answer in the usual a + bi form.
\n" ); document.write( "1/(3+2i)=[3-2i)}/[3+2i)(3-2i)]=[ 3-2i]/[13]=(3/13)-(2/13)i
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\n" ); document.write( "What are the coordinates of the complex number -i when we plot it in the complex plane?
\n" ); document.write( "(0,-1)
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\n" ); document.write( "Find the magnitude of the complex number 3 - 7i. (In other words, find | 3 - 7i | )
\n" ); document.write( "|3-7i|=sqrt(9+49)=sqrt58
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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