document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=304855>Question 304855</A>: <I><SPAN STYLE=\"word-break: break-all;\"> vector v = 2vectori - 5vectorj\r<BR>\n" );
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document.write( "Find a unit vector in the same direction as vector v\r<BR>\n" );
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document.write( "A)  2/sqrt29 vector i - 5/sqrt29 vector j<BR>\n" );
document.write( "B)  5/sqrt29 vector i - 2/sqrt29 vector j<BR>\n" );
document.write( "C)  sqrt29/2 vector i - sqrt29/5 vector j<BR>\n" );
document.write( "D)  sqrt29/5 vector i - sqrt29/2 vector j<BR>\n" );
document.write( "E)  None\r<BR>\n" );
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document.write( "Your help is very appreciated.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #218334 by </B><A HREF=/tutors/aboutme.mpl?userid=themathtutor2009><B>themathtutor2009(81)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=themathtutor2009><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=218334\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Unit vector u = v/|v|....|v|=magnitude of v\r<BR>\n" );
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document.write( "v=2i-5j ----> a=2, b=-5\r<BR>\n" );
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document.write( "|v| = sqrt(2^2+(-5)^2)=sqrt(4+25)=sqrt(29)\r<BR>\n" );
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document.write( "u = v/|v| = (2i-5j)/sqrt(29) = 2/sqrt(29)i - 5/sqrt(29)j\r<BR>\n" );
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document.write( "Answer is A<BR>\n" );
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