document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=824201>Question 824201</A>: <I><SPAN STYLE=\"word-break: break-all;\"> when n is divided by 5 the remainder is 2 what is the remainder when square of n is divided by 5? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #496162 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=496162\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> when n is divided by 5 the remainder is 2 what is the remainder when square of n is divided by 5?<BR>\n" );
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document.write( "n = 5k + 2 where k is an integer<BR>\n" );
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document.write( "n^2 = 25k^2+20k+4<BR>\n" );
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document.write( "Divide that by 5 to get:<BR>\n" );
document.write( "n^2 = 5(5k^2+4k)+ 4/5<BR>\n" );
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document.write( "Remainder = 4/5<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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