document.write( "Question 358447: Proof that the square of even number is even number \n" ); document.write( "

Algebra.Com's Answer #255817 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "Proving that the square of even number is even number
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document.write( "x is an even number   Given
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document.write( "let x =  2n  by definition of an even number
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document.write( "x^2 = 2n*2n 
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document.write( "x^2 = 2(2n^2) 
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document.write( "Let p = 2n^2
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document.write( "x^2 = 2p 
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document.write( "x^2 is an even number   by definition of an even number
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