document.write( "Question 1189550: if A=2i+4j+k and B=4i+2j+k find the vector x parallel to A and have magnitude of B? \n" ); document.write( "

Algebra.Com's Answer #820934 by ikleyn(52787) $\"\"$ $\"About$

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\n" ); document.write( "if A=2i+4j+k and B=4i+2j+k find the vector x parallel to A and have magnitude of B?
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document.write( "Notice that vectors A and B have THE SAME magnitude\r\n" );
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document.write( "    |A| =  =  = ,\r\n" );
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document.write( "    |B| =  =  = .\r\n" );
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document.write( "Thus, the problem asks to find vector x parallel to A and having the same magnitude as A.\r\n" );
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document.write( "There is ONLY ONE such a vector: it is vector A itself.\r\n" );
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document.write( "ANSWER.  There is ONLY ONE such a vector: it is vector A itself.\r\n" );
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Post-solution note

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\n" ); document.write( "\n" ); document.write( " In my solution, I do not consider ANTI-parallel vector -A as a parallel to A.\r
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