document.write( "Question 67003This question is from textbook Advanced mathematics
\n" ); document.write( ": If x^2 +y^2 = 40 and xy = 16, compare: A.) (x - y)^2 B.)12 \n" ); document.write( "

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If x^2 +y^2 = 40 and xy = 16, compare: A.) (x - y)^2 B.)12
\n" ); document.write( "YOU WANT X-Y?
\n" ); document.write( "(X-Y)^2=X^2+Y^2-2XY=40-2*16=8 \n" ); document.write( "

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