document.write( "Question 153045: Where are you looking if the indices i and j are equal in a square matrix?
\n" ); document.write( "@ This is the main diagonal, defined to be where the indices are equal.
\n" ); document.write( "a. Along the middle row
\n" ); document.write( "b. Along the middle column
\n" ); document.write( "c. Along the diagonal from the upper left to the lower right
\n" ); document.write( "d. Along the diagonal from the lower left to the upper right \n" ); document.write( "

Algebra.Com's Answer #112489 by jim_thompson5910(35256) $\"\"$ $\"About$

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If $\"i=j\"$ , then the element in question lies along the diagonal (the one that runs from the upper left corner to the bottom right corner). So the answer is c. Along the diagonal from the upper left to the lower right \n" ); document.write( "

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