document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=55717>Question 55717</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I got this really strange problem!  It says: The combined resistance of two resistors R1 and R2 in a parallel circuit is given by the formula\r<BR>\n" );
document.write( "\n" );
document.write( "Rr= 1<BR>\n" );
document.write( "   ----<BR>\n" );
document.write( "   1/R1+1/R2 Simplify the formula.<BR>\n" );
document.write( "(the 1 and the two are tiny and sit down on the right of the R's)<BR>\n" );
document.write( "Well I ended up with <BR>\n" );
document.write( "Rr= 1<BR>\n" );
document.write( "   ----<BR>\n" );
document.write( "   2/R1+R2<BR>\n" );
document.write( "Would this be correct or is there a different way to do this?<BR>\n" );
document.write( "Thanks so much!!!<BR>\n" );
document.write( "ac<BR>\n" );
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 #37814 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=37814\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rr= 1<BR>\n" );
document.write( "   ----<BR>\n" );
document.write( "   1/R1+1/R2 Simplify the formula.<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "Rr = 1/[1/R1 + 1/R2]<BR>\n" );
document.write( "= 1/[R2+R1]/[R1*R2]<BR>\n" );
document.write( "Invert and multiply to get:<BR>\n" );
document.write( "Rr = {R1*R2]/[R1+R2]<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );