document.write( "Question 895493: Prove that C(n,0) = 1 \n" ); document.write( "

Algebra.Com's Answer #542914 by Edwin McCravy(20063) $\"\"$ $\"About$

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document.write( "0! is defined as 1.\r\n" );
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document.write( "C(n,0) =  =  =  = 1\r\n" );
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document.write( "But the real proof is by common sense:\r\n" );
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document.write( "If you have n things, then the number of ways you can choose\r\n" );
document.write( "to take 0 of them is 1 way, -- and that 1 way is to not take any!\r\n" );
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document.write( "Edwin

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