document.write( "Question 737616: Give a counterexample to show that (x+y)2 = x2 + y2 is false. \n" ); document.write( "
Algebra.Com's Answer #450456 by richwmiller(17219)\"\" \"About 
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let x=1 y=2
\n" ); document.write( "(1+2)^2=1^2+2^2
\n" ); document.write( "3^2=1+4
\n" ); document.write( "9=5
\n" ); document.write( "not true
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