document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=334428>Question 334428</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Will someone help me to show that the 4 points (2,0,1), (-1,2,3), (3,2,2) and (3,-6,-3) lie in a plane.<BR>\n" );
document.write( "Thanks<BR>\n" );
document.write( "-Nick. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #239621 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=239621\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P1, P2, P3, and P4 are coplanar if and only if the determinant<BR>\n" );
document.write( "below equals 0<BR>\n" );
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document.write( "   <BR>\n" );
document.write( " x1   y1   z1   1    <BR>\n" );
document.write( " x2   y2   z2   1  <BR>\n" );
document.write( " x3   y3   z3   1  <BR>\n" );
document.write( " x4   y4   z4   1 \r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. \r<BR>\n" );
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document.write( " </SPAN>\n" );
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