document.write( "Question 1204899: Use the given vectors to compute
\n" ); document.write( "u + v,
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\n" ); document.write( "u − v,
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\n" ); document.write( "3u − 4v.
\n" ); document.write( "u = \r
\n" ); document.write( "\n" ); document.write( "1, −2\r
\n" ); document.write( "\n" ); document.write( ", v = \r
\n" ); document.write( "\n" ); document.write( "8, 9
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Algebra.Com's Answer #841436 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!

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\n" ); document.write( " $\"u+\"$ =< $\"1\"$ , $\"-2\"$ >
\n" ); document.write( " $\"v+\"$ =< $\"8\"$ , $\"9\"$ >\r
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\n" ); document.write( "\n" ); document.write( " $\"u+%2B+v\"$ =< $\"1\"$ , $\"-2\"$ > + < $\"8\"$ , $\"9\"$ >=< $\"1%2B8\"$ , $\"-2%2B9\"$ >=< $\"9\"$ , $\"7\"$ >\r
\n" ); document.write( "\n" ); document.write( " $\"u+-+v\"$ =< $\"1\"$ , $\"-2\"$ > - < $\"8\"$ , $\"9\"$ >=< $\"1-8\"$ , $\"-2-9\"$ >=< $\"-7\"$ , $\"-11\"$ >\r
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\n" ); document.write( "\n" ); document.write( " $\"3u+-+4v\"$ = $\"3\"$ *< $\"1\"$ , $\"-2\"$ > - $\"4\"$ *< $\"8\"$ , $\"9\"$ >\r
\n" ); document.write( "\n" ); document.write( "=< $\"3\"$ , $\"+-6\"$ > - < $\"32\"$ , $\"36\"$ >\r
\n" ); document.write( "\n" ); document.write( "=< $\"3-32\"$ , $\"-6-36\"$ >\r
\n" ); document.write( "\n" ); document.write( "= < $\"-29\"$ , $\"-42\"$ >\r
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