document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=148317>Question 148317</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let f(x) = 1/x. Show that (f * f)(x) = x for all nonzero value of x.\r<BR>\n" );
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document.write( "Thank you for your help ahead of time.<BR>\n" );
document.write( "It's very appeciated. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #108716 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=108716\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let f(x) = 1/x. Show that (f * f)(x) = x for all nonzero value of x. <BR>\n" );
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document.write( "Comment: (f*f)(x) means [f(x)*f(x)].<BR>\n" );
document.write( "In your case that would be 1/x^2<BR>\n" );
document.write( "I don't think you want that.<BR>\n" );
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document.write( "I think what you want is fof(x) which means f[f(x)] = f(1/x)] 1/(1/x) = x<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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