document.write( "Question 339911: Find a unit vector in the same direction as a = (-10, 3, -9). \n" ); document.write( "

Algebra.Com's Answer #243569 by Fombitz(32388) $\"\"$ $\"About$

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Divide by the magnitude of $\"a\"$ .
\n" ); document.write( " $\"abs%28a%29=sqrt%28%28-10%29%5E2%2B3%5E2%2B%28-9%29%5E2%29\"$
\n" ); document.write( " $\"abs%28a%29=sqrt%28100%2B9%2B81%29\"$
\n" ); document.write( " $\"abs%28a%29=sqrt%28190%29\"$
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\n" ); document.write( " $\"u\"$ =( $\"-10%2Fsqrt%28190%29\"$ , $\"3%2Fsqrt%28190%29\"$ , $\"-9%2Fsqrt%28190%29\"$ )
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