document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=161640>Question 161640</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the unit vector having the same direction as  v  if  v  =  2i - j </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #119110 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=119110\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the unit vector having the same direction as v if v = 2i - j<BR>\n" );
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document.write( "Find the magnitude of v<BR>\n" );
document.write( "||v|| = sqrt(4+1) = sqrt(5)<BR>\n" );
document.write( "unit vector = v/sqrt(5)<BR>\n" );
document.write( "=(2i-j)/sqrt(5)<BR>\n" );
document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%285%29%2A%282i-j%29%2F5 ALIGN=MIDDLE  ALT=\"sqrt%285%29%2A%282i-j%29%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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