document.write( "Question 88100: Find the dot product of vector v and vector w if:
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document.write( "v=-5i+6j and w=-2i-3j+
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document.write( "is it -8? \n" );
document.write( "
Algebra.Com's Answer #63994 by longjonsilver(2297)![]() ![]() You can put this solution on YOUR website! v=(-5 6) and w=(-2 -3).. both should be column vectors (ie one number on top of the other but i cannot write this here.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "v.w = (-5x-2) + (6x-3) \n" ); document.write( "v.w = +10 - 18 \n" ); document.write( "v.w = -8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so, yes you are correct :-)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "cheers \n" ); document.write( "Jon \n" ); document.write( " \n" ); document.write( " |