document.write( "Question 292495: For all matrices X3*3, Y2*3, Z3*3 and scalars q, which statement is always true?\r
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document.write( "a) X + 2X + Z
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document.write( "b) q( XZ ) = ( qX )Z
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document.write( "c) q( YZ ) = ( ZY )q
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document.write( "d) ( XY ) Z = Z ( YX ) \n" );
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Algebra.Com's Answer #211280 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! a) is not a statement, it's an expression. \n" ); document.write( "b) is true \n" ); document.write( "q[XZ]=[qX][Z]=[X][qZ] \n" ); document.write( " \n" ); document.write( " |