184

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0><tr> <td valign="top" colspan=3 height=24 BGCOLOR="#003333" TEXT="#F7F7FF"> <div> <FONT SIZE="4" COLOR="#FFFFFF" FACE="Georgia" ><B>M</B></FONT><FONT SIZE="4" COLOR="#FFFFFF" FACE="Georgia" ><B>atemáticas de la U</B></FONT><B> (MatU)  | </B><A HREF="http://www.jcbmat.com/" TARGET="_top" TITLE="http://www.jcbmat.com/"><U><B>Home</B></U></A><B> | </B><A HREF="index.htm" TARGET="_top" TITLE="Álgebra de Baldor"><U><B>Algebra de Baldor</B></U></A><B> |  </B><A HREF="id1076.htm" TARGET="_top" TITLE="Índice temático"><U><B>Índice temático</B></U></A><B>  |  </B><A HREF="id1073.htm" TARGET="_top" TITLE="Lista"><U><B>Lista de Ejercicios</B></U></A><B> |</B></div> </td> </tr><tr> <td valign="top" rowspan="2" width=165 BGCOLOR="#FFFFFF" TEXT="#080000"> <bR> <div> <B> <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>  <ins class="adsbygoogle" style="display:inline-block;width:160px;height:600px" data-ad-client="ca-pub-1578463498418701" data-ad-slot="3073775660"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script>  </B></div> </td> <td valign="top" height=432 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <B>184</B></div> <div> <B>Resolución por determinantes de un sistema de dos ecuaciones con dos incógnitas</B></div> <bR> <div>  <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>  <ins class="adsbygoogle" style="display:inline-block;width:728px;height:90px" data-ad-client="ca-pub-1578463498418701" data-ad-slot="5388515922"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script>  </div> <bR> <div> <TABLE BORDER="2" CELLPADDING="2" CELLSPACING="1" WIDTH="758" BORDERCOLORLIGHT="#00FFFF" BORDERCOLORDARK="#0000FF" FRAME="BOX" RULES="ALL" ALIGN="BOTTOM" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP HEIGHT= 554 WIDTH="746"><div> <B>P r o c e d i m i e n t o</B></div> <bR> <div> <B>1.</B><FONT SIZE="4" COLOR="#000000" FACE="Bell MT" >  Se ordenan las ecuaciones y se escribe el sistema en la forma:</FONT></div> <div> <IMG SRC="61bbbc3f0.gif" border=0 width="188" height="63" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <div> <FONT SIZE="4" COLOR="#9900FF" FACE="Bell MT" ><B>2.</B></FONT>  El valor de <I>x</I> es una fracción cuyo denominador es la determinante del sistema y cuyo numerador es la determinante que se obtiene sustituyendo en la determinante del sistema la columna de los coeficientes de <I>x</I> por la columna de los términos independientes de las ecuaciones dadas; esto es:</div> <div> <IMG SRC="61bc66780.gif" border=0 width="102" height="120" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <div> <FONT SIZE="4" COLOR="#9900FF" FACE="Bell MT" ><B>3.</B> </FONT> El valor de <I>y</I> es una fracción cuyo denominador es la determinante del sistema y cuyo numerador es la determinante que se obtiene sustituyendo en la determinante del sistema la columna de los coeficientes de <I>y</I> por la columna de los términos independientes de las ecuaciones dadas; esto es:</div> <div> <IMG SRC="61bd67780.gif" border=0 width="103" height="120" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> </tD> </tR> </TABLE></div> <div> <TABLE BORDER="2" CELLPADDING="2" CELLSPACING="1" WIDTH="770" BORDERCOLORLIGHT="#C0C0C0" BORDERCOLORDARK="#808080" FRAME="BOX" RULES="ALL" ALIGN="BOTTOM" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP COLSPAN=5 HEIGHT= 37 WIDTH="742"><div> <B>V</B><FONT SIZE="4" COLOR="#000000" FACE="Bell MT" >ideos e imágenes sobre la solución de los ejercicios:</FONT></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 81 WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicios <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>1</B></FONT>:</div> <div> <A HREF="#1" TITLE="184"><U><IMG SRC="591f30300.jpg" border=0 width="48" height="48" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> <tD VALIGN=TOP WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>2</B></FONT>:</div> <div> <A HREF="#2" TITLE="184"><U><IMG SRC="591f30300.jpg" border=0 width="48" height="48" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> <tD VALIGN=TOP WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>3</B></FONT>:</div> <div> <A HREF="#3" TITLE="184"><U><IMG SRC="591f30300.jpg" border=0 width="48" height="48" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> <tD VALIGN=TOP WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>4</B></FONT>:</div> <div> <A HREF="#4" TITLE="184"><U><IMG SRC="591f30300.jpg" border=0 width="48" height="48" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> <tD VALIGN=TOP WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>5</B></FONT>:</div> <div> <A HREF="#5" TITLE="184"><U><IMG SRC="591f30300.jpg" border=0 width="48" height="48" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 81 WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>6</B></FONT>:</div> <div> <A HREF="#6" TITLE="184"><U><IMG SRC="591f30300.jpg" border=0 width="48" height="48" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> <tD VALIGN=TOP WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>7</B></FONT>:</div> <div> <A HREF="#7" TITLE="184"><U><IMG SRC="591f30300.jpg" border=0 width="48" height="48" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> <tD VALIGN=TOP WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>8</B></FONT>:</div> <div> <A HREF="http://youtu.be/D-adxFtYqjo" TARGET="_top" TITLE="http://youtu.be/D-adxFtYqjo"><U><IMG SRC="58f3302e0.gif" border=0 width="48" height="46" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> <tD VALIGN=TOP WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>9</B></FONT>:</div> <div> <A HREF="http://youtu.be/6iVE7Y7EPZU" TARGET="_top" TITLE="http://youtu.be/6iVE7Y7EPZU"><U><IMG SRC="58f3302e0.gif" border=0 width="48" height="46" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> <tD VALIGN=TOP WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>10</B></FONT>:</div> <div> <A HREF="http://youtu.be/Mos3MTtas-Q" TARGET="_top" TITLE="http://youtu.be/Mos3MTtas-Q"><U><IMG SRC="58f3302e0.gif" border=0 width="48" height="46" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 79 WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>11</B></FONT>:</div> <div> <A HREF="http://youtu.be/ra-dFDEJoJ4" TARGET="_top" TITLE="http://youtu.be/ra-dFDEJoJ4"><U><IMG SRC="58f3302e0.gif" border=0 width="48" height="46" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> <tD VALIGN=TOP WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>12</B></FONT>:</div> <div> <A HREF="http://youtu.be/pgC-dLHwFjw?list=PLq_SQwoOZHo2jDYGz9cz-Fm_Fpq8aII0T" TARGET="_top" TITLE="http://youtu.be/pgC-dLHwFjw?list=PLq_SQw"><U><IMG SRC="58f3302e0.gif" border=0 width="48" height="46" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> <tD VALIGN=TOP WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>13</B></FONT>:</div> <div> <A HREF="http://youtu.be/E3a4tMLTEnY?list=PLq_SQwoOZHo2jDYGz9cz-Fm_Fpq8aII0T" TARGET="_top" TITLE="http://youtu.be/E3a4tMLTEnY?list=PLq_SQw"><U><IMG SRC="58f3302e0.gif" border=0 width="48" height="46" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> <tD VALIGN=TOP WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>14</B></FONT>:</div> <div> <A HREF="http://youtu.be/1Xsm0brWNQw?list=PLq_SQwoOZHo2jDYGz9cz-Fm_Fpq8aII0T" TARGET="_top" TITLE="http://youtu.be/1Xsm0brWNQw?list=PLq_SQw"><U><IMG SRC="58f3302e0.gif" border=0 width="48" height="46" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> <tD VALIGN=TOP WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>15</B></FONT>:</div> <div> <A HREF="http://youtu.be/jpqtijS-rms?list=PLq_SQwoOZHo2jDYGz9cz-Fm_Fpq8aII0T" TARGET="_top" TITLE="http://youtu.be/jpqtijS-rms?list=PLq_SQw"><U><IMG SRC="58f3302e0.gif" border=0 width="48" height="46" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> </tR> <tR> <tD VALIGN=TOP COLSPAN=4 HEIGHT= 79 WIDTH="593"><bR> <bR> </tD> <tD VALIGN=TOP WIDTH="146"><div> <FONT SIZE="5" COLOR="#0099CC" FACE="Times New Roman" ><B>E</B></FONT>jercicio <FONT SIZE="3" COLOR="#FF0000" FACE="Times New Roman" ><B>16</B></FONT>:</div> <div> <A HREF="http://youtu.be/mcE7bf5nVi8?list=PLq_SQwoOZHo2jDYGz9cz-Fm_Fpq8aII0T" TARGET="_top" TITLE="http://youtu.be/mcE7bf5nVi8?list=PLq_SQw"><U><IMG SRC="58f3302e0.gif" border=0 width="48" height="46" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> </tD> </tR> </TABLE></div> <bR> <div> <B>R</B><FONT SIZE="3" COLOR="#000000" FACE="Times New Roman" >esolver por determinantes:</FONT></div> <div>  <A NAME="1"><IMG BORDER="0" SRC="1x1.gif" HEIGHT="1" ALIGN="bottom" WIDTH="1" HSPACE="0" VSPACE="0" ></A>1</div> <div> <IMG SRC="61477f3d0.gif" border=0 width="383" height="317" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <bR> <div>  <A NAME="2"><IMG BORDER="0" SRC="1x1.gif" HEIGHT="1" ALIGN="bottom" WIDTH="1" HSPACE="0" VSPACE="0" ></A>2</div> <div> <IMG SRC="60ad9b3d0.gif" border=0 width="411" height="317" ALT="MathType 5.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <bR> <div>  <A NAME="3"><IMG BORDER="0" SRC="1x1.gif" HEIGHT="1" ALIGN="bottom" WIDTH="1" HSPACE="0" VSPACE="0" ></A>3</div> <div> <IMG SRC="61480f3d0.gif" border=0 width="527" height="317" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <bR> <div>  <A NAME="4"><IMG BORDER="0" SRC="1x1.gif" HEIGHT="1" ALIGN="bottom" WIDTH="1" HSPACE="0" VSPACE="0" ></A>4</div> <div> <IMG SRC="60aec8af0.gif" border=0 width="456" height="431" ALT="MathType 5.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <bR> <div>  <A NAME="5"><IMG BORDER="0" SRC="1x1.gif" HEIGHT="1" ALIGN="bottom" WIDTH="1" HSPACE="0" VSPACE="0" ></A>5</div> <div> <IMG SRC="614923f80.gif" border=0 width="547" height="504" ALT="MathType 6.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <bR> <div>  <A NAME="6"><IMG BORDER="0" SRC="1x1.gif" HEIGHT="1" ALIGN="bottom" WIDTH="1" HSPACE="0" VSPACE="0" ></A>6</div> <div> <IMG SRC="60af7d650.gif" border=0 width="381" height="357" ALT="MathType 5.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <bR> <div>  <A NAME="7"><IMG BORDER="0" SRC="1x1.gif" HEIGHT="1" ALIGN="bottom" WIDTH="1" HSPACE="0" VSPACE="0" ></A>7</div> <div> <IMG SRC="60b097bb0.gif" border=0 width="663" height="443" ALT="MathType 5.0 Equation" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <bR> <DIV ALIGN="LEFT"></DIV> <div> <A HREF="http://twitter.com/Calculo21" TARGET="_top" TITLE="http://twitter.com/Calculo21"><U><IMG SRC="2fc828280.jpg" border=0 width="40" height="40" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A><A HREF="http://www.facebook.com/juan.beltran.58511" TARGET="_top" TITLE="http://www.facebook.com/juan.beltran.585"><U><IMG SRC="76fa28280.gif" border=0 width="40" height="40" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A><A HREF="https://www.youtube.com/user/MatematicaAplicadas" TARGET="_top" TITLE="https://www.youtube.com/user/MatematicaA"><U><IMG SRC="2fca28280.jpg" border=0 width="40" height="40" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> <bR> <div> Por: <FONT SIZE="4" COLOR="#FF9900" FACE="Times New Roman" >Juan Carlos </FONT><FONT SIZE="4" COLOR="#0000FF" FACE="Times New Roman" >Beltrán</FONT> <FONT SIZE="4" COLOR="#FF0000" FACE="Times New Roman" >Beltrán </FONT></div> <bR> <div>  <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>  <ins class="adsbygoogle" style="display:inline-block;width:970px;height:250px" data-ad-client="ca-pub-1578463498418701" data-ad-slot="8553279920"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script>  </div> <bR> <div> <A HREF="http://jcbmat.com/" TARGET="_top" TITLE="http://jcbmat.com/"><U><B><IMG SRC="76fee5530.gif" border=0 width="741" height="83" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></U></A></div> <div> | <A HREF="http://www.aritmetica.jcbmat.com/" TARGET="_top" TITLE="http://www.aritmetica.jcbmat.com/"><U>Aritmética</U></A> | <A HREF="http://www.algebra.jcbmat.com/index.htm" TARGET="_top" TITLE="http://www.algebra.jcbmat.com/index.htm"><U>Álgebra de Baldor</U></A> | <A 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