document.write( "Question 913783: Evaluate the determinant, using row or column operations whenever possible to simplify your work.\r
\n" ); document.write( "\n" ); document.write( "0 0 6 4
\n" ); document.write( "9 5 1 6
\n" ); document.write( "8 4 1 3
\n" ); document.write( "4 0 2 5\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #554718 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
0 0 6 4
\n" ); document.write( "9 5 1 6
\n" ); document.write( "8 4 1 3
\n" ); document.write( "4 0 2 5\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Swap the 1st and the 2nd rows inversing determinant sign\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "9 5 1 6
\n" ); document.write( "0 0 6 4
\n" ); document.write( "8 4 1 3
\n" ); document.write( "4 0 2 5\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "Eliminate elements in the 1st column under the 1st element\r
\n" ); document.write( "\n" ); document.write( "9 5 1 6
\n" ); document.write( "0 0 6 4
\n" ); document.write( "0 -4/9 1/9 -7/3
\n" ); document.write( "0 -20/9 14/9 7/3\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Swap the 2nd and the 3rd rows inversing determinant sign\r
\n" ); document.write( "\n" ); document.write( "9 5 1 6
\n" ); document.write( "0 -4/9 1/9 -7/3\r
\n" ); document.write( "\n" ); document.write( "0 0 6 4
\n" ); document.write( "0 -20/9 14/9 7/3\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Eliminate elements in the 2nd column under the 2nd element\r
\n" ); document.write( "\n" ); document.write( "9 5 1 6
\n" ); document.write( "0 -4/9 1/9 -7/3
\n" ); document.write( "0 0 6 4
\n" ); document.write( "0 0 1 14\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Eliminate elements in the 3rd column under the 3rd element\r
\n" ); document.write( "\n" ); document.write( "9 5 1 6
\n" ); document.write( "0 -4/9 1/9 -7/3
\n" ); document.write( "0 0 6 4
\n" ); document.write( "0 0 0 40/3\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Multiply the main diagonal elements\r
\n" ); document.write( "\n" ); document.write( "9 5 1 6
\n" ); document.write( "0 -4/9 1/9 -7/3
\n" ); document.write( "0 0 6 4
\n" ); document.write( "0 0 0 40/3\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"9+%2A+%28-4%2F9%29+%2A+6+%2A+%2840%2F3%29+=+-320\"\r
\n" ); document.write( "\n" ); document.write( "Determinant is \"-320\"
\n" ); document.write( "
\n" ); document.write( "
\n" );