document.write( "Question 1045420: n-1cr-1 +ncr-1=ncr \n" ); document.write( "

Algebra.Com's Answer #660908 by robertb(5830) $\"\"$ $\"About$

You can put this solution on YOUR website!
If you are trying to prove

, then forget it, it's not true.\r
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\n" ); document.write( "\n" ); document.write( "For instance,

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\n" ); document.write( "\n" ); document.write( "What is true is the relation \r
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, \r
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\n" ); document.write( "\n" ); document.write( "which is the basis for Pascal's Triangle. \n" ); document.write( "

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