document.write( "Question 1065496: Prove that |x+y| ≤ |x|+|y| \n" ); document.write( "

Algebra.Com's Answer #680704 by Edwin McCravy(20056) $\"\"$ $\"About$

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Prove: |x+y| ≤ |x|+|y|
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document.write( "We use the fact that a ≤ |a| for all real numbers a,\r\n" );
document.write( "that the square root function is an increasing function, \r\n" );
document.write( "and that \r\n" );
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document.write( "Edwin

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