document.write( "Question 65147: The conjugate of 5 + 6i is
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document.write( "Find the product (2 + i)(3 + 4i). Give your answer in the usual a + bi form
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document.write( "Write the complex number i 15 in the usual a + bi form
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document.write( "Find the reciprocal of the complex number 3 + 2i . Give your answer in the usual a + bi form. \r
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document.write( "Write the complex number in the usual a + bi form.
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document.write( "What are the coordinates of the complex number -i when we plot it in the complex plane?
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document.write( " Find the magnitude of the complex number 3 - 7i. (In other words, find | 3 - 7i | ) \n" );
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Algebra.Com's Answer #45657 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The conjugate of 5 + 6i is 5-6i \n" ); document.write( "--------------- \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 \n" ); document.write( "----------------------- \n" ); document.write( "Write the complex number i 15 in the usual a + bi form \n" ); document.write( "0+15i \n" ); document.write( "---------------- \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 \n" ); document.write( "------------------ \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) \n" ); document.write( "--------------- \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. \n" ); document.write( " \n" ); document.write( " |