document.write( "Question 1084449: i need help with this Matrix\r
\n" );
document.write( "\n" );
document.write( "1 5 |
\n" );
document.write( "2 6 | x 1/2 R2 into R2\r
\n" );
document.write( "\n" );
document.write( "so I need to multiply the matrix by 1/2 of row 2 and put it into row 2\r
\n" );
document.write( "\n" );
document.write( "I've done it and think it looks like this but I am not sure
\n" );
document.write( "1 5
\n" );
document.write( "1 3 \n" );
document.write( "
Algebra.Com's Answer #698548 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! 1 5 \n" ); document.write( "2 6 \n" ); document.write( ": \n" ); document.write( "this is a 2 by 2 matrix, that is 2 rows by 2 columns \n" ); document.write( ": \n" ); document.write( "(1/2) * R2 = (1, 3) \n" ); document.write( ": \n" ); document.write( "this is a 1 by 2 matrix, that is, 1 row by 2 columns \n" ); document.write( ": \n" ); document.write( "it is not possible to multiply these two matrices \n" ); document.write( ": \n" ); document.write( "for this to work (1,3) would have to be 2 rows by 1 column \n" ); document.write( ": \n" ); document.write( "if I assume this is what you mean, then \n" ); document.write( ": \n" ); document.write( "1 5 \n" ); document.write( "2 6 \n" ); document.write( ": \n" ); document.write( "multiplied by (1,3) is (1+15, 2+18) = (16, 20) \n" ); document.write( ": \n" ); document.write( "then your matrix becomes \n" ); document.write( ": \n" ); document.write( "1 5 \n" ); document.write( "16 20 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |