![\"\"](\"/images/stars/stars-13.gif\")
You can put this solution on YOUR website!
LHS=nCr=n!/[(n-r)!r!]
\n" ); document.write( "RHS=nCn-r=n!/[{n-(n-r)}!(n-r)!]=n!/[(n-n+r)!(n-r)!]=n!/[r!(n-r)!]=n!/[(n-r)!r!]=LHS \n" ); document.write( "
| Algebra.Com's Answer #11848 by venugopalramana(3286) You can put this solution on YOUR website! LHS=nCr=n!/[(n-r)!r!] \n" ); document.write( "RHS=nCn-r=n!/[{n-(n-r)}!(n-r)!]=n!/[(n-n+r)!(n-r)!]=n!/[r!(n-r)!]=n!/[(n-r)!r!]=LHS \n" ); document.write( " |