document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=306604>Question 306604</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi all, Im slightly confused with answering this question because I cant answer part b) with the matrix I get for part a). (See below)<BR>\n" );
document.write( "The current of I1 and I2 are connected by the equations:<BR>\n" );
document.write( "9.5(I1) - 8(I2) = 27<BR>\n" );
document.write( "-8)I1 + 10(I2) = -26<BR>\n" );
document.write( "a) Express this system of equations in Matrix form.<BR>\n" );
document.write( "b) Solve the system of equations for the currents I1 and I2 using the inverse matrix.<BR>\n" );
document.write( "You cant solve for the inverese of an non-square matrix, so how do I solve for I1 and I2?<BR>\n" );
document.write( "Any help would be great.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #219387 by </B><A HREF=/tutors/aboutme.mpl?userid=themathtutor2009><B>themathtutor2009(81)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=themathtutor2009><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=219387\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) Matrix equation is  \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C2%2C9.5%2C-8%2C-8%2C10%29%29%28matrix%282%2C1%2CI1%2CI2%29%29=%28matrix%282%2C1%2C27%2C-26%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "b) Use calculator to find inverse of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C2%2C9.5%2C-8%2C-8%2C10%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%282%2C2%2C9.5%2C-8%2C-8%2C10%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > or use 2x2 inverse formula. </SPAN>\n" );
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