document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=232820>Question 232820</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which of the following expressions is equal to 0<BR>\n" );
document.write( "(1)i^2+i+4<BR>\n" );
document.write( "(2)i^2-i^4<BR>\n" );
document.write( "(3)i^2*i^4<BR>\n" );
document.write( "(4)i^4/i^2<BR>\n" );
document.write( "--------------------------------------------------------------------------------<BR>\n" );
document.write( "Please solve and explain how you got the answer <BR>\n" );
document.write( "Thank you  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #171950 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=171950\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Which of the following expressions is equal to 0<BR>\n" );
document.write( "(1)i^2+i+4<BR>\n" );
document.write( "= -1 + 1<BR>\n" );
document.write( "= 0<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "(2)i^2-i^4<BR>\n" );
document.write( "= -1 - 1<BR>\n" );
document.write( "= -2<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "(3)i^2*i^4<BR>\n" );
document.write( "= -1*1<BR>\n" );
document.write( "= -1<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "(4)i^4/i^2<BR>\n" );
document.write( "= 1/(-1)<BR>\n" );
document.write( "= -1\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );