document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=380009>Question 380009</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Could someone Please help me!!!<BR>\n" );
document.write( "It would be most appreciated:)\r<BR>\n" );
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document.write( "Question:\r<BR>\n" );
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document.write( "1)(3+sqrt(-16))(4+sqrt(-9)) This question I'm stuck half way:(<BR>\n" );
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document.write( "2)(-3+4i)^2 On this question I got 9+16i but I don't think its right???\r<BR>\n" );
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document.write( "Thank you!!!\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #269735 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=269735\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1)(3+sqrt(-16))(4+sqrt(-9)) <BR>\n" );
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document.write( "= (3+4i)(4+3i)<BR>\n" );
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document.write( "= 12+ 9i + 16i +12i^2<BR>\n" );
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document.write( "= 12 +25i -12<BR>\n" );
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document.write( "= 25i<BR>\n" );
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document.write( "2)(-3+4i)^2<BR>\n" );
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document.write( "= (-3+4i)(-3+4i)<BR>\n" );
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document.write( "= 9 -12i -12i +16i^2<BR>\n" );
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document.write( "= 9 -24i -16<BR>\n" );
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document.write( "= -7-24i<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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